What does anerexia do to your body?

When you have a eating disorder and dont feed your body you begin to starve yourself, thats a eating disorder called Anerexia. People that dont eat properly and dont eat began to have a problem inside of their stomachs, where the acid begans to eat up all your inside of your stomach. That can also be made into a ulcer in their stomach, you heart can also not be properly handled. Your heart cant handle all the pressure of no food going into your body, your body needs fuel in order to preform and be able to have energy. Your internal organs down your GI tractor and esophagus all may get infected and your stomach may get very sick and infected.