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How carbon dioxide is carried in the blood?
Question Date: 2008-11-17
Answer 1:

The majority of carbon dioxide is carried through the blood by conversion from carbon dioxide, CO2 into bicarbonate ions, HCO3-,which allows it to dissolve as a salt in the blood and be carried along. This reaction is catalyzed by the protein carbonic an hydrase.As carbon dioxide is a waste product of our cellular respiration, it is shuttled to the lungs, where it can come out of solution back intogas, and exit our body when we breathe out.

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