Question

Ditterece etwee pulonary artery and pulmonary vein is

Answer 1

Pulmonary Artery:-
i) It carries de-oxygenated blood to the lungs.

ii) It has thick elastic walls.

iii) Valves are not present.

Pulmonary Vein:-
i) It carries oxygenated blood from lungs to the heart.

ii) Pulmonary vein has thin walls than Pulmonary artery.

iii) Valves are present to restrict the flow of blood in backward direction.

Hope it helps.

Answer 2

Veins usually carry deoxygenated blood from various body parts to the heart. Pulmonary vein is the only vain that carry oxygenated blood from lungs to the heart.

Arteries usually carry oxygenated blood from heart to different body parts. Pulmonary artery is the only artery that carries deoxygenated blood from heart to the lungs.