Q

In human beings, excretory products in the form of soluble nitrogen compounds are removed by the _____ in the kidneys.

RRB NTPC (Stage-I) 21/01/2021 (Shift-I) 2021
✓ Answer: C Nephrons
Nephrons filter blood and form urine through filtration, selective reabsorption and secretion, removing nitrogenous wastes.