how-does-the-bicarbonate-buffer-system-maintain-blood-ph-despite-its-pka-being-l

Question

How does the bicarbonate buffer system maintain blood pH despite its pKa being lower than the blood pH?

Accepted Answer

Through the regulation of CO2 levels via respiration.

Answer

By decreasing the concentration of carbonic acid.

Answer

By increasing the concentration of bicarbonate ions.

Answer

By converting bicarbonate to carbonate.