Fact 1: Protein is used to repair cells by the human body.

Fact 2: Enzymes provide cellular energy, repair tissue organs and cells.

Given the two facts above, answer the question "These are a type of protein that provides cellular energy in the human body:" with the following options: 
- health
 - pituitary
 - coiled
 - Proteins
 - unique
 - growth
 - enzymes
 - complexity


 

       enzymes  