The digestive system is a group of organs that perform the process by which food, containing nutrients, is eaten and broken down into different components. This breakdown makes it possible for the digested material to pass through the intestinal wall into the blood stream. The digestive process contains many different steps that take place in many different organs. The first step of digestion begins at the mouth, where the food enters the mouth. Saliva is …
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showed last 75 words of 1192 total
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