The kidneys play a key role in body function, not only by filtering blood and get rid of waste products, but also by the balance of electrolyte levels in the body, controlling blood pressure, and stimulating the production of red cells blood.
renal failure can occur from an acute situation that damages the kidneys or chronic diseases that cause the kidneys slowly stop working.
In acute renal failure, renal function is rapidly lost and can occur from a variety of insults to the body. Since most people have two kidneys, two kidneys must be damaged by a complete kidney failure occur. Fortunately, if only one kidney fails or is ill it can be removed, and the remaining kidney can continue to have normal kidney function (renal). If the kidneys of a patient both are injured or ill, a kidney (s) transplant donor can.