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

Fact 2: We eat and feed our body with nutrients to enable it to grow.

Given the two facts above, answer the question "What enables the body to grow?" with the following options: 
- single-celled organisms
 - aerobic capacity
 - By coral exoskeletons
 - carbohydrates
 - genetic material
 - deoxyribonucleic acid
 - the digestive system
 - Males and females


 

       the digestive system  