Q. The breathing centre initiates the ventilation in response to
A) Increase of air pressure
B) Decrease of air pressure
C) Increase of $CO_{2}$ in arterial blood
D) Increase of $O_{2}$ in arterial blood
Explanation
Breathing centre initiates the ventilation in response to (i) High $CO_{2}$ in arterial blood (ii) Less pH in arterial blood (iii) High $H^{+}$ concentration in arterial blood
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.