Understanding the Human Body

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Across
  1. 2. short channel or passageway
  2. 4. a round nodule or small eminence
  3. 6. a large projection of a bone
  4. 8. bone building and bone repairing cells located in the periosteum
  5. 9. covering that lines the marrow cavity of a bone
  6. 12. depression on a bone surface
  7. 15. covering located on the outer surface of bones
  8. 16. air space found in some skull bones
  9. 17. distinct border or ridge, usually rough
Down
  1. 1. the hollow center of long bones that contains bone marrow
  2. 3. the ends of long bones
  3. 5. the shaft of long bones
  4. 7. Osteoblasts that embed within the bone matrix
  5. 10. holes that allow a vessel or nerve to pass through or between bone
  6. 11. cells responsible for the breakdown and reabsorption of bone
  7. 13. sharp projections from the bone surface
  8. 14. rounded knob-like end separated from the rest of the body of a long bone