Q. $CO_{2}$ diffuses into …A… and forms $HCO_{3}^{-}$ and $H^{+}$. At the …B… site where $pCO_{2}$ is low, the reaction proceeds in the opposite direction. Thus, $CO_{2}$ is trapped as …C… at the tissue level and transported to alveoli is released out as …D… Select the right choice for A, B, C and D to complete the given NCERT statement

A) A-WBC, B-diffusion, C-carbonate, D-$O_{2}$
B) A-RBC, B-alveolar, C-bicarbonate, D-${CO}_{2}$
C) A-RBC, B-alveolar, C-bicarbonate, D-$O_{2}$
D) A-RBC, B-alveolar, C-carbonate, D-${CO}_{2}$
Explanation

A-RBC, B-alveolar, C-bicarbonate, D-${CO}_{2}$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.