Skeletal System

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Across
  1. 2. type of bone that varies in shape
  2. 6. tiny pit or depression in the bone
  3. 9. humans typically have 12 of them
  4. 10. expanded ends of bones that for joints
  5. 12. the ____ skeleton relates to the appendages
  6. 13. triangular structure at the base of the vertebral column
  7. 15. the first vertebra which supports the head
  8. 17. cavity within a bone
  9. 18. short bones are almost equal in length and ____
  10. 19. also called the breastbone
  11. 21. also called the thigh bone
  12. 22. the thoracic ___ consists of the ribs, thoracic vertebrae, sternum, & costal cartilage
  13. 23. the kneecap, a type of sesamoid
Down
  1. 1. bones provide support and _____
  2. 3. the vertebral column runs from the skull to ____
  3. 4. the only bone of the upper arm
  4. 5. bone shaft
  5. 6. small, nearly flat surface
  6. 7. made up of 8 cranial bones and 14 facial bones
  7. 8. the lower leg is made up of the tibia and _____
  8. 11. furrow or grove
  9. 14. narrow, ridgelike projection
  10. 16. ___ vertebrae are adapted for weight-bearing
  11. 20. the radius and ____ make up the forearm
  12. 21. a ___ bone is a plate-like shape with a broad surface
  13. 22. also called the tailbone