The digestive system breaks food into nutrients for the body, and we eat and feed our body with nutrients to enable it to grow. Given these facts, what enables the body to grow among 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  