The main buffer system of the human blood is
The main buffer system of the human blood is Correct Answer H<sub>2</sub>CO<sub>3</sub> - HCO<sub>3</sub>
Bicarbonate buffer is the most important buffer system in blood plasma (generally in the extracellular fluid). This buffer consists of weak acid H2CO3(pK1 = 6,1) and conjugated base HCO3- (bicarbonate).