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Question
Biology
Which are the three main layers that form the diffusion membrane?
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Q. Which are the three main layers that form the diffusion membrane?
Breathing and Exchange of Gases
A
Thin squamous epithelium of alveoli, basement membrane of bronchioles and basement substance
B
Thin squamous epithelium of alveoli, endothelium of alveolar capillaries and the basement substance
C
Basement substance, cuboidal epithelium of alveoli and stratified epithelium of bronchiole
D
Ciliated epithelium of trachea, endothelium of capillaries and basement substance
Solution:
Diffusion of $O _{2}$ and $CO _{2}$ depends on the thickness of diffusion membrane.