Answer :
When acid is added to the blood buffer system. Overall, the buffer system in the blood plays a vital role in maintaining the pH of the blood and helping to ensure that the body functions properly.
When acid is added to the blood, it can disrupt the balance of acid and base (pH) in the blood. The body has several mechanisms in place to maintain a relatively constant pH in the blood, known as acid-base homeostasis. One of these mechanisms is the buffer system. A buffer system is a solution that helps to maintain the pH of a solution by resisting changes in pH when an acid or base is added. The buffer system in the blood consists of several different components, including bicarbonate, carbonic acid, and hemoglobin. When acid is added to the blood, the bicarbonate ions in the blood react with the hydrogen ions from the acid to form carbonic acid, which can then dissociate into water and carbon dioxide. This reaction helps to neutralize the acid and maintain the pH of the blood. Similarly, when a base is added to the blood, the carbonic acid in the blood reacts with the hydroxide ions from the base to form bicarbonate ions and water, which helps to neutralize the base and maintain the pH of the blood.
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