Question 4
Jan 23, 2026

Which of these processes occurs in the mouth?

Select the correct answer:

A

Ingestion

B

Mechanical digestion

C

Chemical digestion

D

All of the above

Correct Answer

Explanation

All of these processes occur in the mouth. Ingestion involves taking food into the mouth, mechanical digestion includes the physical breakdown of food through chewing and mixing with saliva, and chemical digestion begins with the action of enzymes in saliva, such as amylase, which starts to break down carbohydrates.

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