SATHEE: Breathing And Exchange Of Gases Ques 31

Breathing And Exchange Of Gases Ques 31

31. The alveolar epithelium in the lungs is

[1990]

(a) nonciliated columnar

(b) nonciliated squamous

(c) ciliated columnar

(d) ciliated squamous

Show Answer

Answer : b

Hints & Solution

(b) The very thin alveolar wall (about 0.0001 $mm$ ) is composed of moist, non-ciliated, squamous epithelial cells.

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Breathing And Exchange Of Gases

Breathing And Exchange Of Gases Ques 31

31. The alveolar epithelium in the lungs is

Answer : b

Hints & Solution

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