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PCT helps to maintain the pH and ionic b...

PCT helps to maintain the pH and ionic balance of body fluids by-

A

Selective secretion of `H^(+),NH_(3) andK^(+)` ions in filtrate

B

Reabsorption of `HCO_(3)^(-)` from filtrate

C

Both a and b

D

Secreting regulatory hormone like renin and angiotensinogen

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