Unit 3 psychology
Neurons
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Dendrites
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Axon
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Myelin sheath
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Action potential
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Refectory period
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Threshhold
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
All-or-none response
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Synapse
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Neuro transmitters
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Endorphines
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Agonist
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Antagonist
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Central nervous system
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Peripheral nervous system
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Nerves
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Sensory neurons
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Motor neurons
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Interneurons
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Re uptake
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Somatic nervous system
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Autonomic
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Sympathetic nervous system
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Parasympathetic nervous system
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Reflex
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Endocrine system
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Hormones
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Adrenal glands
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Pituitary gland
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
Lesion
A period of inactivity after a neuron is fired
responsible for gathering information and for transmitting CNS decisions to other body parts
Carry instructions from the central nervous system out to the body's muscle and glands
The body's "slow" chemical communication system
Electrical cables formed of bundles of axons, like the CNS with the body's sensory receptors, muscles, and glands
The level of stimulation required to trigger a neural response
enables voluntary control of our skeletal muscles
Chemical messengers that cross the synaptic gaps between neurons.
A neural impulse; a brief electrical charge that travels down the axon
arrows and expands energy, mobilizing its energy in stressful situations
Carry messages from the body's tissues and sensory receptors to brain and spinal cord for processing
Effect is to block a neurotransmitter's functioning response
-a layer of fatty tissue that insulates the axons and speeds their impulses
The brain and spinal cord (body's decision maker)
The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
A simple automatic response to a sensory stimulus, such as the knee-jerk response
A neuro transmitter's reabsorption by the sending neuron
Natural, opiate-like neurotransmitters linked to pain control and to pleasure
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor output
Will produce opposite effects, calms the body, conserving its energy, decreasing heartbeat, lower blood sugar, etc
Controls our glands and the muscles of our internal organs, influencing such functions as glandular activity, heartbeat, and digestion
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Bushy branching extensions that receive messages and conduct impulses toward the cell body
A molecule that, by binding to a receptor site stimulates a response
the endocrine system's most influential gland
Chemical messengers that are manufactured by endocrine glands travel through the bloodstream and affect other tissues
A pair of endocrine glands that sit just above the kidneys and secrete hormones
Tissue destruction destroying clusters of brain cells, leaving surrounding tissue unharmed
A neuron's reaction of either firing (full strength response or not firing)
A nerve cell; the basic building block of the nervous system
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