select the correct answer. what must your skeletal muscles do in order to move? a. engage their fibers…

select the correct answer. what must your skeletal muscles do in order to move? a. engage their fibers slowly b. twitch involuntarily c. separate from the bone d. contract and relax

select the correct answer. what must your skeletal muscles do in order to move? a. engage their fibers slowly b. twitch involuntarily c. separate from the bone d. contract and relax

Answer

Brief Explanations:

Skeletal muscles move by contracting and relaxing. This coordinated action allows for movement of body parts. Contracting shortens the muscle, pulling on bones, and relaxing returns it to its original state.

Answer:

D. contract and relax