When the acidic level of human blood increases, how is the proper balance of hydrogen ions (H+) restored?

A) Bicarbonate (HCO3-) releases H+ ions that combine with excess OH- ions to form H2O.
B) Carbonic acid eats up the extra OH- ions.
C) Bicarbonate (HCO3-) accepts H+ ions and forms carbonic acid.
D) H+ ion-donor levels increase.


C

Biology & Microbiology

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