______ is an important plasma on that the kidneys reabsorb or secrete for final acid-base balance.

______ is an important plasma on that the kidneys reabsorb or secrete for final acid-base balance. 




A. Phosphate (PO4 3-)
B. monohydrogen phosphate (HPO4 2-)
C. carbon dioxide (CO2)
D. Bicarbonate (HCO3-)





Answer: D


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