This type of digestion is the one in charge of breaking down the food.
The teeth help a lot in this part because they are in charge of cuting the food into small particles.
Also the peristalsis help the food move down.
Chemical digestion:
Saliva, mocus, etc... are substances that produce the body to help digestion and to take all the nutrients of the food.
By: Yukio Yokogawa
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