The mouth is where the digestive system's alimentary canal begins. Lips round it and protect its aperture. Lips react strongly to both heat and cold. It facilitates speaking and drinking liquids. The buccal cavity is reached from the mouth. Three pairs of salivary glands, three teeth, and a tongue can all be found inside the buccal cavity.
The mouth's cavity is where food is eaten by the teeth and combined with saliva using the tongue. With the assistance of salivary amylase, the process of breaking down carbohydrates begins in the buccal cavity.
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