Joints of the Skeletal System

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Across
  1. 4. The only moveable bone in the skull.
  2. 5. Wrist bones.
  3. 8. Membranous borders between an infants cranial bones allow them to slide over each other to facilitate birth. They later ossify.
  4. 9. Vertebra with ribs attached, posteriorly.
  5. 11. Foot bones.
  6. 14. The bones that enclose and protect the brain.
  7. 16. Bone that helps form the prominence of the cheek.
  8. 17. The 1st vertebra (V1 - most superior) that supports the head.
  9. 19. Hand bones.
  10. 22. The hip's cup-shaped cavity that receives the femur head.
  11. 23. The shaft of a long bone.
  12. 26. Air-filled cavities in the skull
  13. 27. The most inferior portion of the sternum.
  14. 30. The "tailbone" at the bottom of the vertebral column.
  15. 31. The cavity in the center of a long bone.
Down
  1. 1. Bone forming cells.
  2. 2. Ankle bones.
  3. 3. Between the most inferior "last" lumbar vertebra (L5) and coccyx.
  4. 6. Blood cell formation.
  5. 7. Finger & toe bones.
  6. 10. Neck vertebra.
  7. 12. Lower back vertebra, below the ribs.
  8. 13. Also known commonly known as the kneecap.
  9. 15. The foramen (opening) where the spinal cord exits the skull.
  10. 18. Thyroid hormone that decreases calcium levels in your blood by stimulating osteoblasts to form bone tissue. It opposes the parathyroid hormone that increases blood calcium levels.
  11. 20. The end of a long bone.
  12. 21. The "Adam's Apple" bone that tongue muscles attach to.
  13. 24. Bone cells.
  14. 25. Cells that break-down calcified bone tissue (matrix).
  15. 28. Cylinder-shaped unit of compact bone also called a Haversian System.
  16. 29. The largest & most superior hip bone.
  17. 32. The 2nd vertebra (V2) allowing the head to turn side to side.