where does bicarbonate formation occur
RENAL REGULATION OF BICARBONATE. The kidneys regulate the [HC03-] by. 1) conserving or excreting the HC0 3 - present in the glomerular ultrafiltrate; 2) producing new HCO3- which enters the body fluids as the kidneys excrete ammonium salts and titratable acids (this sum is called net acid) in the urine.