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Although much `CO_(2)` is carried in blood, yet blood does not become acidic, becauseA. `CO_(2)` is absorbed by the leucocytesB. Oxygen combines with haemoglobin to form oxyhaemoglobinC. `CO_(2)` transport and blood buffers play an important role in itD. it is continously diffused through the tissues and is not allowes to accumulate. |
Answer» Correct Answer - C Althorugh much `CO_(2)` is carried in blood, yet blood does not become acidic. It is due to `CO_(2)` tranport and buffering action of blood. The main buffer present in the blood is bicarbonate (which is formed during `CO_(2)` transport in the blood). Bicarbonate exist in equilibrium with carbonic acid which in trun can be coverted to `CO_(2)` and water. `H_(2)O + CO_(2) hArr H_(2)CO_(3) hArr H^(+) + HCO_(3)^(-)` |
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