Across
- 2. internal skeleton of an animal
- 4. soft connective tissue inside the bone
- 7. softening of bones due to lack of vitamin D
- 9. attach bone to bone
- 12. side to side curve in the spine
- 13. makes up the dense outer layer of the bone
- 14. found inside the bone and it is lighter and less dense
Down
- 1. loss of bone tissue
- 3. tough,fibrous membrane that covers and protects the outer layer of the bone
- 5. hold the skeleton together and allow movement
- 6. protects the body tissue and internal organs
- 8. inflammatory disease that damages joints and surrounding tissue
- 10. external skeleton of an animal
- 11. attach muscle to bone