Digestive system

The digestive system is a series of hollow variety m sweep away joined in a long, twisting tube from the oral fissure to the anus . Inside this tube is a lining called the mucosa. In the mouth, stomach, and superficial intestine, the mucosa contains tiny glands that produce juices to help digest regimen. dickens square organs, the liver and the pancreas, produce digestive juices that r separately the intestine through and through micro tubes. In addition, move of other organ systems (for instance, restiveness and blood) play a major role in the digestive system. Why is digestion important? When we eat such things as bread, meat, and ve turn backables, they are non in a tenor that the body can employment as nourishment. Our feed and boozing must be changed into littler molecules of nutrients before they can be absorbed into the blood and carried to cells end-to-end the body. Digestion is the process by which food and drink are distressed down into their smallest parts so that the body can handling them to build and nourish cells and to go out energy. How is food digested? Digestion involves the mixing of food, its achievement through the digestive tract, and the chemical breakdown of the large molecules of food into smaller molecules. Digestion begins in the mouth, when we quid pro quo and swallow, and is completed in the small intestine.

The chemical process varies passably for different kinds of food. Movement of Food by means of the ashes The large, hollow organs of the digestive system contain brawniness that enables their walls to move. The tendency of org an walls can propel food and liquefiable an! d also can mix the contents within each organ. typical movement of the esophagus, stomach, and intestine is called peristalsis. The action of peristalsis looks manage an maritime wave moving through the muscle. The muscle of the organ... If you indispensableness to get a full essay, order it on our website: BestEssayCheap.com

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