Human Digestive System Facts
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Gastrointestinal tract (digestive tract) is composed of digestive tube from the mouth, esophagus, stomach, small intestine, large intestine, rectum and anus.
Inside these hollow organs, there is a layer called the mucosa. In the mouth, stomach, and small intestine, the mucosa contains tiny glands that produce enzymes to help digest food. The digestive tract also contains a layer of smooth muscle that helps break down food and move it along the tract via peristalsis.
The digestive tract is a continuous channel tube surrounded by muscles. Digestive tract to digest food, break it into smaller parts and absorb part of the head blood vessels. Organs are included in his: mouth, pharynx, esophagus, stomach, small intestine and large intestine. Of colon food will be discharged out of the body through the anus.