In a workout your muscle cells produce lactic acid, yet you maintain a constant blood pH because ________

A) the body contains chemicals called buffers that resist changes in pH
B) endothelial cells secrete excess H+ to prevent a decrease in pH
C) metabolic acids are neutralized in muscle cells before released into the blood
D) metabolic bases are produced at the same rate by muscle cells to neutralize the acids
E) the respiratory system removes excess H+ from the blood before the pH is lowered


A

Anatomy & Physiology

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