The gastrointestinal (GI) system is the tubular passage of mucous membrane and muscle by which food is ingested to provide the body with nutrients it can absorb and to excrete waste products. The GI tract includes the alimentary canal extending from the mouth to the anus, and the hormones and enzymes that assist in digestion.
Some GI surgeries can be performed laparoscopically through a small incision in the bellybutton. The organs of the GI system include:
Stomach and small intestine: