Zoology - Excretory Products and their Elimination Question with Solution | TestHub

A-Glomerulus - a tuft of capillaries formed by afferent arteriole

B-PCT-reabsorption of ${\mathrm{HCO}}_3^{-}$and selective secretion of ${\mathrm{H}}^{+}$and ${\mathrm{K}}^{+}$occurs here.

C-DCT-almost all glucose, amino acids, water, ${\mathrm{Na}}^{+},{\mathrm{K}}^{+}$and uric acid are absorbed here.

D-collecting duct-extends from the cortex of the kidney to the inner parts of medulla. Large amount of water is secreted in this region.