H⁺ generated at the tissue level from CO₂ is buffered in transit between the tissues and the lungs primarily by
A)hemoglobin
B)phosphate buffer system
C)H2CO3: HCO3- buffer system
D)plasma proteins
E)respiratory regulation

Question

Quizplus · Accepted Answer

Hemoglobin acts as a buffer by binding to the H⁺ ions generated from CO₂, helping to maintain pH balance during transit from tissues to the lungs.

H⁺ Generated at the Tissue Level from CO₂ Is Buffered