Jumping frequently has been found to reduce what common problem in old age? Loss of bone mass
Injuries to the patellofemoral
Sarcopenia
Over developing muscles

Vertebrates have this type of circulatory system: wut i it owo

The load is the pivot point of a lever.

What should be changed to make the following sentence true? "the stress model suggests that people with a predisposition for a disorder are more likely to develop the disorder when faced with stress."