Heart
What is the size of your heart?
About the size of a tennis ball
About the size of your fist
About the size of a grapefruit
About the size of your hand
Where is your heart located?
Slightly left of center in your chest
Slightly right of center in your chest
Slightly right of mediastinum
In the lower abdomen
What is the purpose of the division in the heart?
To protect oxygen-poor blood from mixing with oxygen-rich blood
To separate the left and right ventricles
What are the names of the four valves in the heart?
aortic
tricuspid
pulmonary
superior
right
mitral
left
vena cava
What is the function of the cardiovascular system?
To circulate air and oxygen in the body
To circulate blood and oxygen in the body
How much blood does the heart pump every minute?
Approximately 5 gallons (19 liters)
Approximately 5 quarts (1.1 liters)
How many times does the heart beat in one day?
About 10,000 times
About 100,000 times
About 1,000 times
About 1 000,000 times
What color is oxygen-poor blood?
Red
Blue
Where does the right side of the heart pump blood to?
Bronchi
Alveoli
Lungs
Brain
Chest
Larynx
What is the term for the contraction of the heart?
Diastole
Systole
Conduction
Relaxation
How is the heart nourished with oxygen-rich blood?
Through the lungs
Through the coronary arteries
What keeps the heart beating in a coordinated rhythm?
The coronary arteries
The pulmonary arteries
Systole
Diastole
The conduction system
The circulatory system
What is the continuous exchange of oxygen-rich and oxygen-poor blood called?
Circulation
Respiration
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