Answer:
(a)
Ventricles have to pump blood into various organs. They need more strength and
energy to perform this function. Thus, they have thicker walls.
(1)
(b) Arteries are the vessels that carry blood away from the heart to
various organs of the body. Since, the blood emerges from the heart under high pressure,
the arteries have thick, elastic walls.
(1)
(c) On reaching an organ or tissue, the artery divides into
smaller and smaller vessels to bring the blood in contact with all the
individual cells. (1)
You need to login to perform this action.
You will be redirected in
3 sec