Biology for IGCSE & O level - Human Nutrition (Section 7 - No. 32)
Which of the following processes occur in the mouth during digestion?
Mechanical breakdown of food.
The start of protein digestion.
The start of carbohydrate digestion.
Absorption of nutrients.
Explanation
The mouth performs mechanical digestion, and carbohydrate digestion begins via amylase. Protein digestion does not begin here.
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