NEET BIOLOGY

Detailed explanation-1: -Generally an artery carries oxygenated or pure blood in the body and veins carry deoxygenated or impure blood. But pulmonary artery is the only artery which carries impure or deoxygenated blood and pulmonary vein carries impure blood.

Detailed explanation-2: -Statement2: Veins carry blood from different organs of the body to the heart. Statement3: Pulmonary vein is the only exception as it carries deoxygenated blood.

Detailed explanation-3: -Generally, veins carry deoxygenated blood from the body to the heart, where it can be sent to the lungs.

Detailed explanation-4: -Arteries carry oxygenated blood away from the heart (except for the pulmonary artery which carries deoxygenated blood away from the right ventricle to the lungs). The main artery is the aorta. The main vein is the vena cava.

Detailed explanation-5: -The pulmonary artery carries deoxygenated blood to the lungs. The blood becomes oxygenated in the lungs.