Human urine is usually acidic because

Options

A. Hydrogen ions are actively secreted into the filtrate
B. the sodium transporter exchanges one hydrogen ion for each sodium ion, in peritubular capillaries
C. excreted plasma proteins are acidic
D. potassium and sodium exchange generates acidity.

Answer

A

Explanation

Hydrogen ion are actively secreted into the filtrate so urine become acidic in nature.