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

Tubular secretion is one of the step of urine formation which mainly occurs by cells of$\text{PCT}$and$\text{DCT}$of nephrons. The selective secretion of harmful and nitrogenous wastes such as${\mathrm{K}}^{+},{\mathrm{H}}^{+},{\mathrm{N}\mathrm{H}}_3$, etc., from blood to filterate takes place by tubular cells of nephron.