Question #b3b2a

1 Answer
Jul 13, 2017

In brief, to maintain the constant pressure and to maintain the shape of the blood vessels.

Explanation:

In brief, to maintain the constant pressure and to maintain the shape of the blood vessels.

The blood rushing out of the heart is at a higher pressure so in order to maintain that pressure throughout and to maintain the shape of the arterial walls, arteries look anatomically different from veins and capillaries. That is, they have elastic fibers and have thick muscular walls.