The one you are going to read now would probably astound you as so far most of us thought that each and every organ in our body are useful for sustaining life. Of course, every one of us must have studied about vestigial organs during our schooling days that organs that have lost function during the course of evolution. Hence removal of these organs will not disturb the regular metabolic activities in your body. Here you will be knowing how the removal of the key organs like Stomach, Kidney, Speen, Gallbladder, Colon, Reproductive organs will allow you continue to live a normal subsistence.