Assertion: Lungs always contain a residual volume of air.
Reason: It is so to ensure enough time for the release of CO2 and for the absorption of O2.
( a ) Both A and R are correct but R is not the correct explanation for A
( b ) A is incorrect but R is correct
( c ) Both A and R are correct & R is the correct explanation for A
( d ) A is correct but R is incorrect
Answers
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Answer:
(c)
Explanation:
both a and r are correct and r is the correct explaination for a
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