About this document
Overview of the Gastrointestinal System is a document available to read on EtoBox.
The gastrointestinal system begins at the mouth and ends at the anus. It includes the esophagus, stomach, small intestine, large intestine, and other organs that help digest food. The small intestine performs most digestion and absorption of nutrients. The large intestine absorbs water and forms feces from undigested material before waste is expelled from the body. Other organs like the liver, gallbladder, and pancreas produce enzymes and bile that aid in digestion.
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