Why the lungs do not collapse even after forceful expiration
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because blood cary the oxygen so they doesn't colaplse
cvsingh74:
No Sir, it’s not so simple
Its due to presence of a residual volume of air even after forceful expiration.
Is it not
Yes it is due to residual volume( about 1.2 litres) and presence of surfactant
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ANSWER :
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The lungs do not collapse even after forceful expiration as the lungs never become empty.There is always some amount of air left in the lungs which is known as residual volume.
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