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DA4004 Human Digestion Wk 2 checkpoint

DA4004 Human Digestion Wk 2 checkpoint - Human Digestion...

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Human Digestion The system of human digestion is a group of organs that help the body to process food and nutrients so that the body can have the energy needed to make it through a daily routine. Our bodies must first break down the food we eat into smaller pieces so that it can be used for energy. The body takes the smaller pieces and distributes them through the bloodstream to other parts of the body; this provides each area of the body with the nutrients needed to do specific functions. This document will explain this process in detail. The digestive process begins before food even enters the mouth. It begins with sight and smell. These two senses ignite glands in the mouth called salivary glands; these are glands that produce saliva. The function of saliva is to moisten food in the mouth so that it can be broken down and slide through the esophagus with ease. When food is put into the mouth and saliva is mixed
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