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The Blood’s Acid/Base Buffer - Maintaining the Bicarbonate / CO 2 equilibrium keeps blood pH stable - Kidneys maintain the buffer by excreting H+ ions and moving new/recycled bicarbonate back into the blood. CO 2.
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The Blood’s Acid/Base Buffer- Maintaining the Bicarbonate / CO2 equilibrium keeps blood pH stable - Kidneys maintain the buffer by excreting H+ ions and moving new/recycled bicarbonate back into the blood CO2 Acid/Base Blood BufferC02 + H2O <--> H2C03 <--> HCO3- + H+ (carbonic acid) (bicarbonate) “old” HCO3(Bicarbonate) Hemoglobin H+ released by muscles during exercise “new” HCO3(Bicarbonate) H+ (through secretion into the nephron tubule) NH3 + H+ --> NH4+ (Ammonia -->Ammonium) Glutamine (amino acid) HCO3 HPO4-2 --> H3PO4 (phosphoricacid)(Phosphate Buffer Located within the nephron’s developing urine)