The respiratory centre of the brain is stimulated by ……….. [AllMS 2000]
A. Carbon dioxide content in venous blood
B. Carbon dioxide content in arterial blood
C. Oxygen content in venous blood
D. Oxygen content in arterial blood
Answer:D
The respiratory centre of the brain is stimulated by ……….. [AllMS 2000]
A. Carbon dioxide content in venous blood B. Carbon dioxide content in arterial blood C. Oxygen content in venous blood D. Oxygen content in arterial blood