Question

Differentiate between artery and vein.

Answer 1

a) Following are the difference between artery and vein.
$$\begin{array}{cccc}& \text{Artery}& & \text{Vein}\\ \text{i.}& \text{It carries blood away from the heart.}& i& \text{It carries blood towards the heart.}\\ \text{ii.}& \text{It carries oxygenated blood (except pulmonary artery)}& ii& \text{It carries deoxygenated blood (except pulmonary vein) towards heart.}\\ \text{iii.}& \text{It has thick walls.}& iii& \text{It has thin walls.}\\ \text{iv.}& \text{In arteries, blood flows under high pressure.}& iv& \text{In veins, blood flows under low pressure.}\end{array}$$