Strategies that blank work by altering the physical state of your body

Which of the following requires the action of a first class lever in the body

(hope) unrealistic portrayals of slim bodies can encourage people to lose an unhealthy amount of weight. being underweight or malnourished can lead to a. liver abnormalities b. tendon rupture c. muscle damage d. heart issues

The 1.5 mile run test and the 12 minute swim test are considered as what kind of test ?