How Diet & Exercise Changes Your Bones

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Across
  1. 3. - A mineral essential for strong bones (7 letters)
  2. 4. - A protein that provides tensile strength to bones (8 letters)
  3. 7. Clues:
  4. 8. - A disease caused by vitamin D deficiency (6 letters)
  5. 10. - Cells that build new bone tissue (10 letters)
  6. 11. Clues:
  7. 12. - The dense outer layer of bones (7 letters)
Down
  1. 1. - A mineral compound that strengthens bones (14 letters)
  2. 2. - Cells that break down old bone tissue (10 letters)
  3. 5. - A person who may experience bone density loss in space (9 letters)
  4. 6. - Structural units of compact bone (7 letters)
  5. 9. - A condition where bones become weak and brittle (12 letters)