Digestive system

The digestive system is a series of hollow organs joined in a long, twisting tube from the mouth to the anus . Inside this tube is a lining called the mucosa. In the mouth, stomach, and bantam 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 distributively the intestine through and through micro tubes. In addition, part of other organ systems (for instance, restiveness and blood) play a study role in the digestive system. Why is digestion important? When we sap such things as bread, meat, and ve use upables, they are non in a orchestrate that the body can employment as nourishment. Our food and whoop it up 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 give up energy. How is food digested? Digestion involves the mixing of food, its achievement through the digestive tract, and the chemic breakdown of the large molecules of food into smaller molecules. Digestion begins in the mouth, when we mess and swallow, and is completed in the small intestine.

The chemical process varies just about for different kinds of food. Movement of Food by means of the clay The large, hollow organs of the digestive system contain brawniness that enables their walls to move. The exploit of organ walls can propel food and liq uefiable and likewise can mix the contents ! within each organ. regular(prenominal) movement of the esophagus, stomach, and intestine is called peristalsis. The action of peristalsis looks manage an ocean wave moving through the muscle. The muscle of the organ... If you indispensableness to get a full essay, order it on our website: OrderCustomPaper.com

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