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The r espiratory centre in medulla is se...

The r espiratory centre in medulla is sensitive to

A

high `cop_(2)` and high `h^(+)` concentration

B

low `o_(2)` concentration

C

high `o_(2)` concentration

D

all of the above

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The correct Answer is:
A
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TRUEMAN BIOLOGY-BREATHING AND EXCHANGE OF GASES -MULTIPLE CHOICE QUESTIONS
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