Question

Draw neat labelled diagram of a cross section of an artery and a vein.

Answer 1

Heart is the muscular organ which pumps the blood in rhythmic contraction and dilation by the circulatory system.

Artery are the circulatory system made up of muscular wall tube which convey the oxygenated blood through out the body.

Veins are the circulatory system of the body mainly carrying oxygen depleted blood towards to the heart.