Skeletal System Crossword

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Across
  1. 3. needed to make bones strong
  2. 4. the solid, hard outside part of the bone
  3. 6. the part of the skull that encloses the brain
  4. 10. a disorder in which the bones become brittle
  5. 11. the backbone
  6. 13. this type of joint allows the greatest freedom of movement, in which the round end of a long bone fits into the hollow of another bone
  7. 14. breaking of a bone
  8. 16. this type of joint allows movement in one direction
Down
  1. 1. found on ends of bones to cushions the joints
  2. 2. this bone extends from the shoulder to elbow
  3. 4. looks like a sponge and is found inside compact bone
  4. 5. a photograph of bones that appears white
  5. 7. this type of joint can move in many directions
  6. 8. this type of joint allows a rotating or twisting motion
  7. 9. the spongy liquid part of the bone where blood cells are made
  8. 12. the longest, largest, and strongest bone in the body
  9. 15. The bony structure in the chest that encloses and protects the heart and lungs