MCQ
A chemosensitive area is situated adjacent to the rhythm centre in the brain. This area is highly sensitive to
  • A
    $CO _{2}$ concentration
  • B
    $O _{2}$ concentration
  • C
    $H ^{+}$concentration
  • Both $(a)$ and $(c)$

Answer

Correct option: D.
Both $(a)$ and $(c)$
d
Chemical Control of Respiration

A chemosensitive area is situated near the respiratory centre, medulla. It is highly sensitive to the change of $CO _{2}$ concentration or change in blood $pH$ as blood $CO _{2}$ concentration influences its $pH$ by forming $HC O _{3}^{-}$, within the $RBCs$ using the enzyme, carbonic anhydrase

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