Across
- 2. A part of the muscular system that can contract or relax causing the body to move
- 6. the system that helps the body to move by contracting and relaxing muscles
- 7. The place where two or more bones connect
Down
- 1. When muscles loosen
- 3. the system that provides structure, protection, and support for the body
- 4. When muscles tighten
- 5. a part of the skeletal system that provides support and protects the body