The digestive system is made of your body's organs working together to break down your food and convert it to nutrients/energy for your body. It's made of your liver, pancreas, gallbladder, and GI tract ( gastrointestinal tract). The GI is made up of organs that run in a tube from your mouth to your anus. Food passes through the tube. The GI tract consist of large and small intestines, stomach, esophagus, pharynx, and your oral cavity. Your digestive system also eliminates any bad things that you may of ate. Below is a picture: