ANP 1107 Chapter 23: The Digestive System
3 Nov 2016
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Document Summary
Differentiate between the components of the alimentary canal and the accessory digestive organs. Describe the relationship between the various digestive organs and the peritoneum. Outline the blood supply serving the main components of the gi tract. Describe the histology of the gi tract wall. Digests food by breaking it into smaller pieces. Absorbs the digest pieces through its lining into the blood. Mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus. 9m in a cadaver, 7-7. 5m in a living person due to muscle tone. Food in the alimentary canal is technically outside the body. Teeth, tongue, gall bladder, and digestive glands salivary glands, liver, and pancreas. Salivary glands, liver, and gall bladder are exocrine (contain ducts) Digestive processes: ingestion taking food into mouth, propulsion moving food through the canal. Swallowing (voluntary) and then peristalsis (involuntary), which is alternating waves of contraction and relaxation of muscles in the organ walls.
