complete the sentence to explain how body parts move. when muscles contract and relax, the muscles move the…

complete the sentence to explain how body parts move. when muscles contract and relax, the muscles move the attached to them. this results in movement of different parts of the body.

complete the sentence to explain how body parts move. when muscles contract and relax, the muscles move the attached to them. this results in movement of different parts of the body.

Answer

Answer:

bones

Brief Explanation:

Muscles are attached to bones. Their contraction and relaxation move bones, causing body - part movement.