Kidneys are a pair of organs that filter the toxic waste and excess water from the blood in the form of urine. It can cause the kidneys to lose the functions over time. Renal failure is usually the end stage of kidney disease and it indicates that the kidneys are not able to function properly.
Kidneys are a pair of twin organs that are responsible for filtering the nitrogenous waste from the body. Kidneys cleanse the blood and send it back to the body. Renal failure is one of the forms of kidney disease. In such a condition, the kidneys lose the ability to filter the waste from the body.