Across
- 1. Our skeletal system forms what types of cells?
- 4. Muscles need this to contract.
- 7. Where two or more bones come together is called?
- 8. What reduces friction between bones and absorbs shock?
- 9. We either use or _____ our muscles.
- 10. What connect muscles to bones?
- 11. What bone layer has a large open space making it lightweight?
- 12. What bone layer forms a strong outer layer?
- 13. Muscles normally come in?
Down
- 2. What attaches bone to bone?
- 3. Muscles that you cannot control are?
- 5. What is the main purpose of the Muscular System?
- 6. Muscles that you can control are?