Question

why does not the lungs collapse after forceful expiration??​

Answer 1

Answer:

our lungs do not collapse whenwe expelled the air forcefully because our lungs do not ever full fill or empty of air completely.there will be a small amount of air that will be remaining in lungs there will be no matter how hard you expel air. so the lungs doesn't collapse after forceful expiration.

Answer 2

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☺our lungs do not collapse when we expelled the air forcefully because our lungs do not ever full fill or empty of air completely. there will be a small amount of air that will be remaining in lungs there will be no matter how hard you expel air. so the lungs doesn't collapse after forceful expiration.☺