Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of: - Biology MCQ NEET 2017 2026 | ExamTest.live | ExamTest.live

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Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of:

A $Residual Volume$
B $Inspiratory Reserve Volume$
C $Tidal Volume$
D $Expiratory Reserve Volume$

Solution & Step-by-step Explanation

Shutterstock Explore Residual Volume (RV) is the volume of air remaining in the lungs even after a maximum forceful expiration. This volume ensures that the alveoli do not completely collapse and allows for continuous gas exchange.

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Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of:

A

Residual Volume

B

Inspiratory Reserve Volume

C

Tidal Volume

D

Expiratory Reserve Volume

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