Which Statement Below Is Characteristic of Most of the Body's

Multiple Choice

Which statement below is characteristic of most of the body's lever systems?

A) They work at mechanical advantage.
B) They work at a mechanical disadvantage.
C) Muscles must exert greater forces than the load.
D) They work at mechanical advantage and at a mechanical disadvantage.
E) They work at a mechanical disadvantage, and muscles must exert greater forces than the load.