Read the following statements carefully:

$A .$ The diffusion membrane is made up of three major cellular layers.
$B .$ The partial pressures of oxygen and carbon dioxide gases in mmHg are the same for both deoxygenated blood and tissue.

Select the correct option about the above statements.

Question

TestHub · Accepted Answer

The diffusion membrane is made up of three major layers, which includes thin squamous epithelium of alveoli, the endothelium of alveolar capillaries and the basement membrane in between them. Therefore, diffusion membrane has only two cellular layers.

Zoology - Breathing and Exchange of Gases Question with Solution | TestHub

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