Skeletal system

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Across
  1. 2. Loss of bone mass due to prolonged imbalance of osteoblasts and osteoclasts activity
  2. 5. Cells that remove bone (resorption)
  3. 8. Protect lungs and heart (chest cavity)
  4. 11. An external body part or natural prolongation that protrudes from an organisms body such as arms legs
  5. 12. connective tissue covering bone
  6. 14. Soft spot
  7. 15. where two or more bones meet allowing movement, stability, and structural support
Down
  1. 1. intervertebral disk between vertebrae
  2. 3. Air spaces within several cranial and facial bones
  3. 4. bone forming cells, active during growth and repair
  4. 6. Attach bone to bone in a synovial joint
  5. 7. Protect heart (breast bone)
  6. 9. a transparent, glassy, and structurally substances ,such as cartilage or pathological changes in tissue
  7. 10. cartilages forming cells that build a model of the future bone
  8. 13. a flexible but inelastic cord of strong fibrous tissue attaching a muscle to a bone