Question

give reason for the following veins have thin and less elastic muscular walls​

Answer 1

Answer:

Veins have much thinner walls than do arteries, largely because the pressure in veins is so much lower. Veins can widen (dilate) as the amount of fluid in them increases. Some veins, particularly veins in the legs, have valves in them, to prevent blood from flowing backward.

Answer 2

Answer:-The walls of the arteries are found to be thicker than that of a vein because the blood that is carried from the heart to the capillaries has more high pressure. Arteries need thicker walls to prevent the arteries from collapsing.

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