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Which are the three main layers that form the diffusion membrane?
Option: 1
Thin squamous epithelium of alveoli, basement membrane of bronchioles and basement substance
Option: 2
Thin squamous epithelium of alveoli, endothelium of alveolar capillaries and the basement substance
Option: 3
Basement substance, cuboidal epithelium of alveoli and stratified epithelium of bronchiole
Option: 4
Ciliated epithelium of trachea, endothelium of capillaries and basement substance
Answers (1)
As we learn
Structure of Diffusion Membrane -
The diffusion membrane is made up of three major layers:
1. the thin squamous epithelium of alveoli
2. the endothelium of alveolar capillaries
3. the basement substance in between them.
- wherein
Correct option is 2
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