Biology · Respiratory System
Given below are two statements, Assertion (A) and Reason (R): Assertion (A): In the lungs, O2 and CO2 exchange takes place between capillaries and lung alveoli. Reason (R): Due to the pressure gradient of O2 and CO2 between alveoli and capillaries, O2 enters and CO2 leaves the blood vessels. In the context of the above statements, which one of the following is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(A) is false but (R) is true.
- 2(A) is true but (R) is false.
- 3Both (A) and (R) are true but (R) is not the correct explanation of (A).
- 4Both (A) and (R) are true and (R) is the correct explanation of (A).✓
Correct answer
Both (A) and (R) are true and (R) is the correct explanation of (A).
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