Q. Respiratory centre of the brain is stimulated by
A) $CO_{2}$ content in venous the blood
B) $CO_{2}$ content in arterial the blood
C) $O_{2}$ content in arterial the blood
D) $O_{2}$ content in venous the blood
Explanation
Respiratory centre is stimulated when there is more $CO_{2}$ in the arterial blood. In normal conditions, there is less amount of $CO_{2}$ in the arterial blood
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.