The blood vessel which carries blood from lungs to heart is called
(a) Pulmonary artery
(b) Coronary artery
(c) Renal artery
(d) Pulmonary vein

Correct Answer: (d) Pulmonary vein

Explanation:

The pulmonary vein carries oxygenated blood from the lungs and delivers it to the left atrium of the heart, and then enters the left ventricle to be circulated throughout the body.