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NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES
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How many layers are present in the diffusion membrane of alveolus capillary?
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Correct option: B
3
Option B (3) is correct because the diffusion membrane of the alveolus-capillary unit consists of three layers: the alveolar epithelium, the capillary endothelium, and their fused basement membrane.
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suffocation.
Reason : Atmospheric air contains far less
oxygen content than the dissolved oxygen in
water. The faster breathing in high fever is due to the