Across
- 2. ____ percent of animals are vertebrates.
- 4. Bone is living ____.
- 8. Biggest joint
- 9. The smallest bone in the body is in your ear.
- 11. Bones can absorb 2 to 3x times your ____.
- 12. ____ are born with 300 bones.
- 13. Protects brain.
- 15. Weakest bone.
- 16. Most flexible joint.
- 18. Bone that is shaped like a horseshoe
- 19. Upper jawbone only in vertebrates
Down
- 1. ____ are stronger then bones.
- 3. Protects and supports spinal chord.
- 5. A cubelike bone
- 6. An extra rib is called a ____ rib.
- 7. The first prosthetic bone was developed by ____.
- 10. Protects vital organs.
- 13. Your ____ is made of over 200 bones.
- 14. Largest bone.
- 17. ____ your bones are in your hands and feet