Human urine is usually acidic because:

Human urine is usually acidic because:
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

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Practise Excretory Products and their Elimination All 45 questions This chapter in 2015 AIPMT-II