The difference between pulmonary artery and pulmonary vein is that, the pulmonary artery has
Correct answer: C. Thicker walls
- A. no endothelium
- B. valves
- C. Thicker walls
- D. oxygenated blood.
Explanation
(c) : An artery has thick and more elastic wall but its lumen is narrow as compared to vein. The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs for oxygenation. Pulmonary vein carries oxygenated blood from the lungs to the left auricle.
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About Circulation
The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.
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