Back to The Human Tongue

This chewing process helps to expose and spread the food over as large an area as possible. This only possible with smaller mouthfuls Try it. As much as possible of the food’s surface area must be made available to chemical digestion. The saliva in the mouth moistens the food so it will travel more smoothly down the digestive tract. Ptyalin, an enzyme in saliva, begins to break down starch into simpler sugars;

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