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In lungs, the air is separated from the venous blood throughA. Squamous epithehum + tunica Aextema of bood vesselB. Squamous epithehum + endothelium of blood vesselC. Transitional epithehum + tunica media of blood vesselD. Columnar epithelimn + 3 layered wa of lood. Vessel |
Answer» Correct Answer - B In lungs, air is separated from venous blood by squamous epithelium (of alveoli) + endothelium of blood vessel. |
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