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Assertion:- After inhalation percentage of oxygen is more and percentage of carbon dioxide is less in alveoli.
Reason:- Blood vessels carrying high amount of carbon dioxide and alveoli carrying high amount of oxygen exchanged by their special surface of alveoli.
A) Both A and R are true R is correct explanation of A.
B) both A and R is true but not correct explanation of A.
C) A is true R is false.
D) R is true A os false.
Answers & Comments
Verified answer
Answer:
The correct answer is:
C) A is true, R is false.
The assertion is true that after inhalation, the percentage of oxygen is more and the percentage of carbon dioxide is less in alveoli. However, the reason provided is not correct. The exchange of gases between the blood vessels and alveoli occurs through diffusion, and it's not due to blood vessels carrying a high amount of carbon dioxide and alveoli carrying a high amount of oxygen. So, while the assertion is true, the reason is not a correct explanation of it.
Answer:
Answer is C
Explanation:
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