Multiple choice

Enzymes in your saliva change ____________________.

  1. solid food to fat

  2. oxygen to carbon dioxide

  3. salt to carbohydrates

  4. starch to sugar

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Saliva contains the enzyme amylase, which begins the chemical digestion process by breaking down complex carbohydrates like starch into simpler sugars.