Fact 1: The digestive system breaks food into nutrients for the body.

Fact 2: Catabolism is the breaking down of food.

Given the two facts above, answer the question "what does the digestive system use to produce nutrients for the body?" with the following options: 
- Proteins
 - Enzymes
 - oysters
 - catabolism
 - lungs
 - ice cubes
 - hair
 - nutrients


 

    catabolism     