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Digestive System

Digestive System The digestive system is the the group of organs that changes food to carbohydrates, fats, and proteins and used by our body. Digestion takes places begins form our mouth and ends with our anus. the function of our digestion system are to ingest food, digest into nutrients, cross our plasma mambranes, absorb nutrients and eliminate indigestible remains. our stomach is our main organ because it mixes the food and breaks down into unis tha can be taken into carbohydrates, fats and proteins which can be used by our body. There are different parts of main organs of our digestive system, esophagus, stomach, large intestines, small intestine, liver, pancrea and finally our anus. As our digestion begins in our mouth, the food is cut an dchopped by our teeth. Our tongue helps mix the food with saliva so it can be swallowed easily. From our mouth, the food is swalllowed into a transportube called esophagus. Esophagus actually carried food to our stomach, through before that there is a flap called epiglottis which is an air passage and the food passage in the pharynx. when you swallow, the air passage will automatically blocked by itself so the food won't enter the esophagus though our air way. Our stomach is shaped as a J- shaped organs, when food is present, the stomach will mixing food with gastric juice, after that it will churns food into a liquid called chyme, and it will leaves the stomach enters the small intestine. the small intestine is a longest part of our digestive tract of human. food remains in the small intestine for several hours. Two lasrge galnds are the liver and the pancreas, which connect with the small intestine by ducts or tubes. Fluid from the ancreas is called pancreatic juice. fluid from the liver is called bile. bile is stored in the gallblader helps digest carbohydrates, proteins and fats. Inside the small intestine, there's a lot of fingerlike folds c...

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Digestive System. (1969, December 31). In DirectEssays.com. Retrieved 20:05, September 21, 2014, from http://www.megaessays.com/viewpaper/39514.html