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Answer :

Mckinze16go
Mechanical digestion in the oral cavity consists of grinding of food into smaller pieces by the teeth, a process called mastication. Chemical digestion in the mouth is minor but consists of salivary amylase (ptyalin, or alpha-amylase) and lingual lipase, both contained in the saliva.
MatrixS1go

Answer:

Chewing

Explanation:

Mechanical digestion basically is another way of breaking down food, without using chemical solutions. When you eat food, you use your teeth to chew on the food for the purpose of making it small enough to be ready to digest in the stomach.

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