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Home  >>  JEEMAIN and AIPMT  >>  Biology  >>  Human Physiology
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1. Breathing involves two stages - inspiration during which atmospheric air is drawn in and expiration by which the alveolar air is released out. 2. The movement of air into and out of the lungs is independent of the pressure gradient between the lungs and the atmosphere. Regarding 1 and 2 :


( A ) Both are incorrect
( B ) Both are correct
( C ) 1 is incorrect but 2 is correct
( D ) 1 is correct but 2 is incorrect
Can you answer this question?
 
 

1 Answer

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(D) is the right answer.

Breathing involves two stages : inspiration during which atmospheric air is drawn in and expiration by which the alveolar air is released out. The movement of air into and out of the lungs is carried out by creating a pressure gradient between the lungs and the atmosphere.
answered Apr 3, 2014 by pady_1
 

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