The food first enters the body through the mouth. In the mouth it shouldbe chewed into very fine particles by the teeth. As it is chewed it is mixed with the saliva, a fluid which comes to the mouth from three pairs of glands called the salivary glands.
The location of these glands is shown in the accompanying illustration. The Saliva helps in the work of digestion therefore food shouldnot be swallowed quickly, but time should be given, by throughly masticationg the food,
For it to be well mixed with this digestive juice before it leaves the mouth. When is swallowed, it passes down the cesophagus into the stomach.
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