1.

Directions for (Qs. 96 to 99): Refer the given figure of nephron showing blood vessels and duct and answer the questions. Which part is capable of reabsorption of \[HC{{O}^{-}}_{3}\] and selective secretion of hydrogen and potassium ions and \[N{{H}_{3}}\] to maintain the pH and sodium-potassium balance in blood?

A. 1
B. 3
C. 5
D. 7
Answer» E.


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