Primary purpose of this article is to explain general Structure and Function of the Human Kidney. The kidneys can easily remove water and waste through the bloodstream without expending energy thanks to a couple of simple scientific principles in which describe the movement of solutes and solvents. Individuals who suffer from kidney damage often lose their power to remove these particles through the blood over a long time period and must rely with a machine to filter the blood for the children. The fact that our bodies is constantly producing waste like a by-product of metabolism signifies that the kidneys must work around the clock to protect the body through the potentially harmful effects that excessive numbers of water and waste may cause.