Out of the following:I. PCTII. DCTIII. Loop o | vedclass

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(A) $PCT$ (Proximal Convoluted Tubule) helps to maintain the $pH$ and ionic balance of the body fluids by the selective secretion of hydrogen ions $(H

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$I$ and $II$

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(A) $PCT$ (Proximal Convoluted Tubule) helps to maintain the $pH$ and ionic balance of the body fluids by the selective secretion of hydrogen ions $(H^+)$,ammonia $(NH_3)$,and potassium ions $(K^+)$ into the filtrate and by the reabsorption of bicarbonate ions $(HCO_3^-)$ from it.$DCT$ (Distal Convoluted Tubule) is also capable of reabsorption of bicarbonate ions $(HCO_3^-)$ and the selective secretion of hydrogen ions $(H^+)$,potassium ions $(K^+)$,and ammonia $(NH_3)$ to maintain the $pH$ and sodium-potassium balance in the blood.Therefore,both $PCT$ and $DCT$ play a significant role in maintaining the $pH$ of the blood.

Out of the following:
$I.$ $PCT$
$II.$ $DCT$
$III.$ Loop of Henle
$IV.$ Collecting duct
Which contributes most in maintaining the $pH$ of blood?

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Out of the following:$I.$ $PCT$$II.$ $DCT$$III.$ Loop of Henle$IV.$ Collecting ductWhich contributes most in maintaining the $pH$ of blood?