If the kidney is not working properly, it cannot remove extra sodium and fluid from the body. Accumulation of these two ...

The five vital organs in the human body are the brain, heart, lungs, kidneys, and liver. Other organs include the gallbladder, pancreas, and stomach. Organ systems, such as the nervous system ...

The system works with the lungs, skin and intestines to maintain the balance of chemicals and water in the body. The kidneys are the primary organs of the urinary system. They remove urea - a ...

and dialysis can filter the blood of people with kidney failure. There are arguably some parts of the human body that don't serve any useful purpose, such as the male nipple. That said ...