The muscles pull on the bones. The muscles protect the bones. Muscles grow at the same rate as bones. Muscles send electrical impulses to bones.
I gave my students this multiple choice question: How do muscles and bones work together to create body movement?

Only one answer is correct among these 4 choices:
- The muscles pull on the bones.
- The muscles protect the bones.
- Muscles grow at the same rate as bones.
- Muscles send electrical impulses to bones.

Could you tell me which one is correct?

The muscles pull on the bones.