Pulmonary artery differ from pulmonary vein in
having
(a) no endothelium (b) valves
(c) large lumen (d) thick muscular walls
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0
Explanation:
Pulmonary artery differ from pulmonary vein in
having
large lumen(c) ......
Answered by
1
(d) thick muscular walls
Explanation:
Pulmonary artery have thick muscular walls which carries deoxygenated blood from the heart to the lungs. Whereas, pulmonary veins have relatively thin and slightly muscular walls which carries oxygenated blood from the lungs to the heart. A pulmonary artery has a narrow lumen ant thick walled as compared to pulmonary veins has wider lumen and thin walled. Therefore, the correct answer is 'thick muscular walls'.
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