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There are three important mechanisms the body uses to regulate pH. The first is a chemical buffer, the second line of defense is the respiratory system, and last, is the urinary system. These three mechanisms work together to keep body pH within that narrow range.
The lungs control your body's pH balance by releasing carbon dioxide. Your brain constantly monitors this in order to maintain the proper pH balance in your body. The kidneys help the lungs maintain acid-base balance by excreting acids or bases into the blood.
The lungs control your body's pH balance by releasing carbon dioxide. Your brain constantly monitors this in order to maintain the proper pH balance in your body. The kidneys help the lungs maintain acid-base balance by excreting acids or bases into the blood.
There are three mechanisms which diminish pH changes in body fluid: buffers. Respiratory. Renal. (a) Proteins are the most important buffers in the body. They are mainly intracellular and include hemoglobin.
The Role of the Kidneys in Acid-Base Balance The kidneys help maintain the acid base balance by excreting hydrogen ions into the urine and reabsorbing bicarbonate from the urine.
The kidneys can regulate reabsorption of carbonic acid in the tubule, increasing or reducing acid secretion. So, urine that is more acidic than normal may mean the body is ridding itself of excess dietary acid and thus making blood pH more alkaline. Ammonia is another way the kidney can regulate pH balance.
The three major buffer systems of our body are carbonic acid bicarbonate buffer system, phosphate buffer system and protein buffer system.
Buffer Systems in the Body. The buffer systems functioning in blood plasma include plasma proteins, phosphate, and bicarbonate and carbonic acid buffers. The kidneys help control acid-base balance by excreting hydrogen ions and generating bicarbonate that helps maintain blood plasma pH within a normal range.
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