Question

veins do not need thick walls why?​

Answer 1

Answer:

Because for the heart beat

Answer 2

Answer:

Explanation: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. ... In veins the pressure is much less, and so thinner walls are present.