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

Tubular secretion is the process by which substances are transported from the blood in the peritubular capillaries into the filtrate of the renal tubule. Wastes such as creatinine, uric acid, certain drugs, and excess ions ($H^{+}$, $K^{+}$) are actively secreted into the filtrate. This active secretion primarily occurs in the Proximal Convoluted Tubule (PCT) and the Distal Convoluted Tubule (DCT).

Answer: PCT and DCT