Kidneys are bean-shaped organs present in all invertebrate organisms. It is an organ that is present in pairs, each at the right and left sides below the rib cage of the body of a man. It is one of the excretory organs of the human body.
It gets blood and eliminates the nitrogenous waste, salts, and excess amount of water.
Furthermore, it removes all toxic nitrogenous waste and excess substances to make urine excrete from the body.
The most common nitrogenous waste it eliminates is Creatinine and Urea.