Skeletal System Def. Crossword

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Across
  1. 3. longer than they are wide
  2. 8. bony framework of the head
  3. 9. occurs when the center of the soft, rubbery disc between vertebras slip out
  4. 10. connect bone to muscle
  5. 11. protective shield around the organs of the upper body
  6. 13. joint between the thigh and leg composed of the patella
  7. 14. region from the knee to the ankle formed by the fibula and tibia
  8. 18. caused by the breakdown and loss of the cartilage of one or more joints
  9. 19. is disrupted, and the amount and variety of proteins in bone is altered
  10. 20. make the protective frame around the brain
  11. 21. connect bone to bone
Down
  1. 1. immovable joint to attach bones together
  2. 2. 12 pair of thin flat curved bones which connect to the sternum
  3. 4. bones which form the axis of the body
  4. 5. provides shape and form for the body while protecting the vital organs
  5. 6. disease of bone in which the bone mineral density is reduced, bone micro-
  6. 7. triangular bone which fits between the femur and the tibia
  7. 8. forms the back wall of the pelvic girdle
  8. 12. created from osteoblasts
  9. 15. contains the bones of the ankle, instep and toes
  10. 16. composed of the pelvic girdle which includes two hip bones
  11. 17. s-curved deformation of the spine