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[DOC File]Chapter 24: The Digestive System
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Oct 30, 2011 · Food or nutrients move through the digestive system by peristalsis movement. In peristalsis movement a section of the digestive tract is squeezing and the other section of the tract is relaxed. Thus, food is push forward in the digestive tract. The stomach secretes hydrochloric acid (HCl) and pepsinogen.
digestive tract diagram

[DOC File]THE DIGESTIVE SYSTEM - Fullerton College
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peristalsis is the method that pushes food through all of the digestive tract not just the esophagus. Digestion in the Stomach. begins the digestion of proteins (Fig 24.11) continues the digestion of triglycerides. serves as a mixing and holding area for food. converts a bolus to a liquid called chyme. absorbs some substances. Gastric gland ...
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[DOC File]John Bowne High School
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Digestive Tract. Digestive tract also called gastrointestinal (GI) tract or alimentary canal. Is a muscular tube. Extends from oral cavity to anus . Passes through pharynx, esophagus, stomach, and small and large intestines. Functions of the Digestive System . Ingestion: Occurs when materials enter digestive tract via the mouth. Mechanical ...
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[DOC File]The Bronx High School of Science
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52. Movement of food by a series of muscular contractions and relaxation. 53. The ability to chew food is also known as… 54. This enzyme begins the chemical digestion of starchy foods. 55. When swallowing food, first the soft palate rises so food won’t go up your nasal cavity then this structure bends over to cover glottis . 56.
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[DOC File]Physiological Modeling of the Digestive System
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For your given bite of food, outline or use a flow chart to show what happens to this piece as it moves down the digestive tract. Take notes in your laboratory journal about how this bite is processed in the digestive tract. Mention key enzymes, describe mechanical and chemical digestion, and discuss absorption of nutrients and removal of wastes.
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[DOC File]Introduction to the Digestive System
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Jan 07, 2010 · 1. The pancreas is an organ connected to the digestive tract of humans by a duct (tube) through which digestive enzymes flow. These enzymes are important to the digestive system because they. A) form the acids that break down food. B) change food substances into molecules that can pass into the bloodstream and cells
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[DOC File]DIGESTIVE SYSTEM EXAM - Oxford Academy High School
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The lining of the digest tract can also play a protective role for the surrounding tissues. It protects the tissues from digestive enzymes, mechanical stress of food passing through, and from the bacteria associated with the digestive tract. Digestive organs and Peritoneum: The digestive organs and glands are lined with serous membrane
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[DOC File]Digestive System:
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Water-soluble nutrients absorbed from the digestive tract are circulated directly to the liver via the hepatic portal vein. Nutrients that are too large or insoluble, such as lipids, are taken up through lacteals and circulated by the lymphatic system. The large intestine prepares undigested food residue for excretion as feces by removing water.
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The Digestive System Diagram, Organs, Function, and More
This pushes food down by smooth muscle contraction. Some areas have thicker smooth muscle called a . SPHINCTER, which acts like a valve to control the flow of food from one region to another. ESOPHAGUS. The esophagus goes through the thoracic cavity. It needs to go through a hole in the diaphragm. Rats have a sphincter here, but humans and dogs ...
digestive tract diagram

Flow of food through digestive tract