The Complete Idiot's Guide to Nursing Entrance Exams by Maryanne Baudo N.P-C ; M.S.N; R.N

Author:Maryanne Baudo, N.P-C ; M.S.N; R.N.
Language: eng
Format: epub
Publisher: DK Publishing
Published: 2011-08-11T00:00:00+00:00

Digestive System

The digestive system has a few jobs. First, it breaks down the food that you eat. Then it processes the food into chemicals that the body can use. Finally, it filters out what’s needed and what’s not, and then gets rid of the waste.

There are many different parts of the digestive system, also known as the gastrointestinal (GI) system. Take a look at the following diagram as we start our discussion of this complex system and follow the path of food through the upper and lower GI tracts.

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