By adjusting the volume of water lost in urine, and releasing erythropoietin and renin, the urinary system specifically functions in
A) helping to stabilize blood pH.
B) conserving valuable nutrients.
C) regulating blood pressure.
D) regulating plasma concentrations of ions.
E) controlling the concentration of vitamins.
C) regulating blood pressure.
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A) acid; base B) base; acid C) compound; element D) element; compound E) molecule; acid
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