In the kidney,glucose is mainly absorbed in

Which of the following pairs is incorrect?

Which substances are secreted in the $DCT$?

Proximal and distal convoluted tubules are parts of a

The following figure shows the reabsorption and secretion of major substances in different parts of the nephron. What do $P$,$Q$,and $R$ represent?
$P \quad\quad Q \quad\quad R$

Loop of Henle is found in