Fact 1: Exercise increases a body 's strength.

Fact 2: Strength is balanced with flexibility and all systems of the body are toned.

Given the two facts above, answer the question "What helps increase flexibility and muscle tone?" with the following options: 
- movement
 - hydration
 - fitness membership
 - fats
 - hypertrophy
 - arteries
 - exercise
 - Proteins


 

       exercise  