Question : What are the cells of the squamous epithelial cells of the

1.	Question : What are the cells of the squamous epithelial cells of the alveoli?
Answer» Solution :The thin squamous epithclial cells of the ALVEOLI are composed of Type I and Type II cells. Type I cells are very thin so that GASES can diffuse rigidly through them. Type II cells are thicker. They SYNTHESIZE and secrete a substance called surfactant. It LOWERS the SURFACE tension in the alveoli and prevents pulmonary edema.

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