What is pain?
There are actually several types of pain. Most pain is designed by the body to create a warning against further injury. You feel the burning when you touch a hot iron and reflexively pull away without thinking. You feel the pain of a toothache and know there is damage (cavities) in your teeth that need repair that shouldn’t be allowed to go untreated. There is the deep ache of an infection that needs to be healed. There is the pain of a leg muscle is a spasm.(Return to top) What is an Organ System? The body is made up of many different kinds of cells. A group of similar cells with similar functions, pathologies or diseases and similar treatments or cures is the basic working definition of an organ system. The kidney cells and liver cells and skin cells are different and are designated as different organs. Given this definition the largest organ system in the body is the muscle organ system. It makes up about 60% of the body. It is everywhere and attached to everything except the brain,
