Why is the PH of blood remains almost constant?
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actually blood is an buffer solution.
That is why its pH does not changes.
EXPLANATION...If we add few drops of an acidic solution to it it will try to maintain its pH according to Le Chataliers principle.
when the acid is added, it dissociates into H3O+ ions but according to the above principle,the dissociation of ions in the blood solution decreases and for maintaining the equilibrium it will try to supress the dissociation of acid.
That is why its pH does not changes.
EXPLANATION...If we add few drops of an acidic solution to it it will try to maintain its pH according to Le Chataliers principle.
when the acid is added, it dissociates into H3O+ ions but according to the above principle,the dissociation of ions in the blood solution decreases and for maintaining the equilibrium it will try to supress the dissociation of acid.
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Together they help maintain the bloods pH at 7.4. If blood pH falls below 6.8 or rises above 7.8, one can become sick or die. The bicarbonate neutralizes excess acids in the blood while the carbonic acid neutralizes excess bases.
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