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QUESTION
Q156) During transport of CO2 blood does not become acidic due to .... [ CBSE 1995 ]

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Buffers in the Human Body. Blood contains large amounts of carbonic acid, a weak acid, and bicarbonate, a base. Together they help maintain the bloods pH at 7.4. The bicarbonate neutralizes excess acids in the blood while the carbonic acid neutralizes excess bases.
Answer : (c)