Question

Differentiate between the following pairs on the basis of what is mentioned within the bracket.

Pulmonary artery and Pulmonary vein (Origin).

Answer 1

1. Pulmonary artery: It is the only artery that carries deoxygenated blood to the lungs.
2. Pulmonary vein: It is the only vein that carries oxygenated blood from the lungs to the left atrium of the heart.

Difference between the pulmonary artery and pulmonary vein (origin):

Pulmonary artery	Pulmonary vein
Two pulmonary artery arises from the right ventricle of the heart.	Four pulmonary veins, two from each lung, arises from the lungs and joins the left atrium.