Question

Point out some differences between the arteries and veins.

Answer 1

Differences between arteries and veins:

S. No.	Arteries	Veins
(i)	These are vessels containing blood flowing away from the heart.	These are vessels containing blood flowing towards heart.
(ii)	n these blood flows under great pressure.	Blood flows under less pressure.
(iii)	Their walls are elastic, thick and muscular.	Walls are thin, nonelastic, fibrous.
(iv)	They are non- collapsible.	Collapsible.
(v)	Their cavity is small.	Cavity is large.
(vi)	Valves are not present in them.	Valves are present.