Which one of the following does not consist diffusion membrane?(a) Thin squamous epithelium of alveoli(b) Cuboidal epithelium of alveoli(c) Basement membrane(d) Endothelium of blood capillariesThe question was posed to me in class test.This interesting question is from Exchange of Gases topic in portion Breathing and Exchange of Gases of Biology – Class 11

Which one of the following does not consist diffusion membrane?(a) Thi

1.	Which one of the following does not consist diffusion membrane?(a) Thin squamous epithelium of alveoli(b) Cuboidal epithelium of alveoli(c) Basement membrane(d) Endothelium of blood capillariesThe question was posed to me in class test.This interesting question is from Exchange of Gases topic in portion Breathing and Exchange of Gases of Biology – Class 11
Answer» The correct option is (b) Cuboidal epithelium of ALVEOLI The best explanation: Alveoli is made up of simple squamous epithelium. Diffusion MEMBRANE is made up of THREE major layers: THIN squamous epithelium of alveoli, endothelium of blood CAPILLARIES, basement substances in between them.

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