Q. 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
D) Both (a) and (c)
Explanation
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 $HCO_{3}^{-}$ , within the RBCs using the enzyme, carbonic anhydrase
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.