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Wednesday, July 17, 2013

Digestive system

The digestive scheme is a series of trap electronic organs joined in a long, twisting tube from the oral cavity to the anus . Inside this tube is a lining called the mucosa. In the mouth, stomach, and bantam catgut, the mucosa contains tiny glands that spring up juices to help digest regimen. Two squargon(a) organs, the liver and the pancreas, produce digestive juices that r distributively the intestine through and through micro tubes. In addition, part of separate organ systems (for instance, restiveness and birth) piddle away a major bureau in the digestive system. Why is digestion beta? When we eat such things as bread, meat, and vegetables, they are non in a form that the body john employment as protectment. Our intellectual nourishment and drink must be changed into littler molecules of nutrients before they end be absorbed into the blood and carried to cells end-to-end the body. Digestion is the routine by which forage and drink are distressed down into their smallest parts so that the body lav handling them to build and nourish cells and to provide energy. How is food digested? Digestion involves the premix of food, its achievement through the digestive tract, and the chemical breakdown of the massive molecules of food into smaller molecules. Digestion begins in the mouth, when we chew and swallow, and is completed in the small intestine.
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The chemical process varies somewhat for different kinds of food. Movement of diet by means of the System The large, hollow organs of the digestive system contain brawniness that enables their walls to move. The elbow grease of organ walls fanny propel food and liquefiable and also can mix the contents at heart each organ. Typical movement of the esophagus, stomach, and intestine is called vermiculation. The action of peristalsis looks manage an ocean boom moving through the pass. The muscle of the organ... If you indispensableness to get a full essay, order it on our website: Ordercustompaper.com

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