Q. $CO_{2}$ dissociates in alveoli from carbohaemoglobin when
A) $\rho O_{2}$ = low, $\rho CO_{2}$ = high
B) $\rho O_{2}$ = high, $\rho CO_{2}$ = high
C) $\rho O_{2}$ = low, $\rho CO_{2}$ = low
D) $\rho O_{2}$ = high, $\rho CO_{2}$ = low
Explanation
Carbohaemoglobin dissociates in the alveoli, where there is high $O_{2}$ partial pressure and low $\rho CO_{2}$. Due to the pressure gradient, $CO_{2}$ dissociates from the haemoglobin and $O_{2}$ combines to from oxyhaemoglobin
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.