Which are the three main layers that form the diffusion membrane?

  • 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

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Similar Questions

The exchange of gases $(O_2 \text{ and } CO_2)$ in a mammal takes place in:

How much $CO_2$ is delivered to the alveoli by every $100 \;ml$ of deoxygenated blood (in $;ml$)?

The partial pressures (in $mm \ Hg$) of oxygen $(O_{2})$ and carbon dioxide $(CO_{2})$ at the alveoli (the site of diffusion) are:

What is correct at the alveoli?

Constant flow of $CO_2$ from the tissues into the blood is due to

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