Is digestion in the mouth chemical or mechanical or both?

Answer 1

Both

Food is broken down into smaller pieces by the teeth, which increases the surface area available for the mouth's enzymes to work on. Once the food is broken down, it is swallowed.

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Answer 2

Owen Allison

Both mechanical and chemical digestion occur in the mouth. Mechanical digestion involves chewing and grinding of food by teeth, while chemical digestion involves the action of enzymes, primarily salivary amylase, breaking down carbohydrates into simpler compounds.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.