Across
- 4. compact bone
- 7. forms the arm
- 9. thin, flattened, and usually curved
- 10. only bone that does not articulate with another bone
- 13. composed of 126 bones
- 16. can be found on children up to about 24 months
- 17. form an s-shaped curvature
- 19. axial skeleton is divided into _____ parts
- 21. shaft of a long bone
- 22. number of cervical vertebrae
- 25. decreases friction at joint surfaces
- 30. covers the diaphysis
- 31. ends of the bone
- 33. arranged in concentric rings called lamellae
- 34. generally cube-shaped
Down
- 1. giant bone-destroying cells
- 2. bone is crushed
- 3. bone breaks incompletely
- 5. bones are joined by sutures
- 6. contains red marrow in infants
- 8. number of subdivisions of the skeleton
- 11. mature bone cells
- 12. often begin with "T"
- 13. allows for turning movement
- 14. longer than they are wide
- 15. break that doesn't penetrate the skin
- 18. pairs 8-12
- 20. carries blood vessels and nerves
- 23. example of irregular bone
- 24. shoulder blade
- 26. supply bone cells with nutrients
- 27. example of short bone
- 28. example of long bone
- 29. number of vertebrae that fuse to form two composite bones
- 32. formed by the fusion of five vertebrae