Assertion (A) : When our body is excited, we breathe at a higher rate.
Reason (R ) : When oxygen content in arterial blood increases, breathing becomes faster.


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

B) Both A and R are true but R is not the correct explanation of A..

C) A is true but R is false.

D) A is false but R is true.

Correct Answer:
C) A is true but R is false.


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