Across
- 3. where blood cells are made
- 5. 3 types that hold our bones together
- 7. 70% of our bones is made of this
- 9. 600 of them, not attached to bones
- 11. protein that strengthens bones
- 12. patella
- 13. connect muscles to bones
- 14. between the vertebrae, in the wrists and ankles
- 16. skeletons on the outside
- 18. top of your spinal column is an example
- 19. fingers and toes
Down
- 1. like a door, knee and elbows are examples
- 2. example is your skull
- 4. what our bones need to be strong
- 6. straps that connect bones to bones
- 8. shoulders and hips are examples
- 10. mandible
- 11. substance between bones so they don't rub
- 15. connecting points where two or more bones connect
- 17. femur