Unit 4 Skeletal System

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Across
  1. 4. mature bone cells
  2. 6. cartilage that covers surfaces of bones at joints
  3. 10. first cervical vertebrae
  4. 11. skeleton includes arms and legs
  5. 13. 5 fused vertebrae of posterior pelvic girdle
  6. 14. connects bone to bone
  7. 16. 4 fused vertebrae (tailbone)
  8. 18. membrane lining the medullary cavity
  9. 20. end of a long bone
  10. 21. second cervical vertebrae
Down
  1. 1. red blood cell formation
  2. 2. bone building cells
  3. 3. bone formation
  4. 5. dense solid bone
  5. 7. spongy bone with a honeycomb structure
  6. 8. region lower back composed of 5 vertebrae
  7. 9. 12 vertebrae in the middle of the back
  8. 12. shaft of a long bone
  9. 15. connects muscle to bone
  10. 17. region includes the first 7 vertebrae
  11. 19. skeleton includes skull, spine, thoracic cage