Skeletal Crossword

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Across
  1. 5. a break in a bone.
  2. 7. shoulder blade.
  3. 9. these bones are typically longer than they are wide.
  4. 11. hormones released when calcium ion levels in blood are low.
  5. 13. these bones do not fit into other bone classification categories.
  6. 14. collarbone.
  7. 15. canals that are perpendicular to the central canal and carries blood vessels and nerves.
  8. 17. is small needlelike pieces of bone and many open spaces.
  9. 18. add bone matrix.
  10. 19. are the ends of a long bone.
Down
  1. 1. these bones are generally cube-shaped.
  2. 2. canals that are opening in the center of an osteon
  3. 3. these bones are thin, flattened, and usually curved.
  4. 4. are concentric circles of lacunae.
  5. 6. is dense, smooth, and homogeneous.
  6. 8. is the shaft of a long bone.
  7. 10. soft spots in the fetal skull.
  8. 12. remove bone.
  9. 16. dowager’s hump.