Question

. Assertion Lungs always contain a residual volume of air. [1]

Reason It is so to ensure enough time for the released of CO2 and for the absorption of O2. . State whether the reason is correct or not. ​

Answer 1

Answer:

Option (a) Both A and R are true and R is the correct explanation of A.

Lungs always contain residual volume of air so that there will be sufficient time for inhalation (oxygen to be absorbed) after exhalation (carbon dioxide to be released.)

Explanation:

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Answer 2

Answer:

There here is your answer:

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 Assertion and Reason are true and the Reason is the correct explanation of the Assertion. (b) Both Assertion and Reason are true but Reason is not the correct explanation of the assertion. (c) Assertion is true but Reason is false. (d) Assertion is false but Reason is true.

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