What is the purpose of venules in the circulatory system?
To collect blood from capillaries and transport it to veins
To carry oxygenated blood away from the heart
To exchange gases and nutrients with surrounding tissues
To supply oxygen to the heart muscle
What is the purpose of arterioles in the circulatory system?
To regulate blood flow into capillaries
To carry oxygenated blood away from the heart
To exchange gases and nutrients with surrounding tissues
To supply oxygen to the heart muscle
What is the purpose of vasa vasorum in blood vessels?
To supply oxygen and nutrients to the walls of larger blood vessels
To carry deoxygenated blood towards the heart
To exchange gases and nutrients with surrounding tissues
To regulate blood flow into capillaries
Which blood vessels have a thicker layer of smooth muscle in their walls?
Arteries
Veins
Capillaries
Venules
Which blood vessels carry oxygenated blood to the heart?
Pulmonary veins
Pulmonary arteries
Coronary arteries
Aorta
Which blood vessels have thin walls and allow for the exchange of gases and nutrients between the blood and tissues?
Capillaries
Arteries
Veins
Venules
What is the purpose of valves in veins?
To prevent backflow of blood
To regulate blood pressure
To transport oxygen
To filter waste products
Which blood vessels carry deoxygenated blood away from the heart?
Pulmonary arteries
Pulmonary veins
Coronary arteries
Aorta
What is the purpose of venules in the circulatory system?
To collect blood from capillaries
To carry oxygenated blood to the heart
To transport nutrients to tissues
To regulate blood pressure
Which blood vessels have elastic walls that allow them to expand and recoil with each heartbeat?
Arteries
Veins
Capillaries
Venules
What is the purpose of arterioles in the circulatory system?
To regulate blood flow to capillaries
To carry oxygenated blood to tissues
To transport waste products away from tissues
To filter blood
What is the length of blood vessels if they were arranged in a line?
100 cm long
10,000 Km Long
1,00,000 Km long
10 cm Long
Which blood vessels have a thicker layer of smooth muscle in their walls?
Arteries
Veins
Capillaries
Venules
Which is the function of capillaries?
To prevent back flow of current
To distribute blood to all parts of plants
To transport waste products away from tissues
To filter blood
Aorta Cava help in distribution of blood in our body
True
False
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