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No; arteries (and arterioles) depend on smooth muscle contraction, whereas veins (and venules) have valves.

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15y ago

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Which sphincters function as regulatory valves that reduce the flow of blood through a network of capillaries when they contract and constrict the arterioles?

Precapillary sphincters


Do arterioles contain non return valves?

you find non return valves inside the heart, lymph and veines, avoiding fluids from flowing backwards > [veinous blood in veines and heart, oxygenated blood in the heart]. Lymph vessels have valves also. The portal vein though contains no valves. All arteries including arteriols and capillaries have no valves.


How did you distinguish between arterioles and venules when you observed the vessels in the frog's foot?

Arterioles are smaller vessels that carry blood away from the heart, while venules are smaller vessels that carry blood back to the heart. By observing the direction of blood flow and the presence of valves (which venules have), one can distinguish between arterioles and venules in the frog's foot vasculature.


What blood vessel connects arteries to capillaries?

Arterioles.


What are cardiovascular adadptions?

incorporations of father arterioles by daughter arterioles


Does sympathetic stimulation cause vasodilation of which arterioles?

Sympathetic stimulation causes vasoconstriction of most arterioles in the body, except for arterioles in skeletal muscle and the heart where it causes vasodilation.


Structure and function of arterioles?

The function of arterioles is to draw blood away from the brain and into harry bush's penis.


What vessel play a key role in regulating blood flow into capillaries?

arterioles


Where does a capillary arise from?

Arterioles


Do muscular arteries branch into arterioles?

Yes blood passes through Elastic Arteries, Muscular Arteries, and then Arterioles.


Which blood vessel offer most resistance to blood flow?

Arterioles generally have the highest resistance because they are so extremely small.


What are the functions of arterioles?

Arterioles are small blood vessels that carry oxygenated blood to the body tissues.