Question

Difference between pulmonary artery and pulmonary veins.​

Answer 1

Answer:

Pulmonary arteries are one pair in number (branching out from pulmonary trunk) while pulmonary veins are two pair in number, one pair from each lung.

Explanation:

Pulmonary artery takes away blood from heart to lung of respective side. Pulmonary veins drain blood from lung (one pair from each side) to heart.

Blood in pulmonary artery is deoxygenated, blood in pulmonary vein is oxygenated.

Pulmonary artery carries blood from right ventricle of heart. Pulmonary vein carries blood towards left auricle of heart.

Blood pressure within pulmonary artery is higher than that in pulmonary vein.

Wall of pulmonary artery is thick and elastic, wall of pulmonary vein is comparatively thinner.

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Answer 2

Pulmonary artery:-

1. It is the longest vein of the human body
2. It is the only artery which carries de oxygenated blood.

Pulmonary vein:-

1. It is the longest artery of the human body.
2. It is the only vein which carry oxygenated blood.

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