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[A] : Extracellular fluid serves as the...

[A] : Extracellular fluid serves as the sanitary drainage line of the body
[R] : Extracellutar iiuid collects excess `H_2O, CO_2` and metabolic wastes from all tissues of the body.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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The correct Answer is:
A
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Bulk of carbon dioxide (CO_(2)) released from body tissues into the blood is present as

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