Answer:
it is also called the Musculoskeletal system
Explanation:
It strengthens your bones to be able to handle large amounts of pressure and weight on your body. I know this isn't related, but when a person breaks their ankle or something else they tend to heal quicker because they're athletes. So one way or another, increasing strength, helps to increase your capacity for exercising.
Laura has more muscular strength. Susan has more muscular endurance.