Across
- 1. protects special cells
- 3. there are 80 bones and it protects your organs
- 5. holds the skeleton together
- 6. there are 126 bones and it helps you move
- 8. what most of the skelotal system is made of
- 9. outer skeloton
Down
- 2. internal skeleton
- 4. holds bones to bones
- 7. holds muscle to bone