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The main buffer system of the human blood is

This question belongs to General Knowledge Chemistry
Chemistry
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The main buffer system of the human blood is

Answer & Solution
Correct Answer: Option A
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).
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Alkaline
Alkaline 9 years ago
it should be HCO3-

note: the acid-base buffer system of human blood: a weak acid & it's conjugate base.

the weak acid = carbonic acid = H2CO3 (formed when carbon dioxide reacts with water)
the conjugate base = HCO3- (formed when carbonic acid dissociates)
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