Determining on what was eaten determines on how long it stays in the stomach but once it does leave it goes through the small intestine although the liver, gallbladder and pancreas help in the digestive process. The small intestine is the area that does most of the digestive work in our body. This organ is split into three sections called the duodenum, jejunum and the ileum which is the entire small intestine. All the material that is not absorbed by the small intestine is than passed to the large intestine through the sphincter; this keeps the material from passing back into the small intestine. The large intestine consists of the rectum and the colon and only the colon helps in the absorption of some water, minerals and vitamins. All material that is not absorbed by the digestive track is then ejected by the colon as feces and travels through the anus where leaves the body as waste.