science

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Across
  1. 7. process of breaking food
  2. 9. acts as protective covering
  3. 10. breakout of pimples
  4. 12. provides form and stability
Down
  1. 1. converting food to energy
  2. 2. joint inflammation
  3. 3. contains calcium & phosphorus
  4. 4. replaces a missing body part
  5. 5. largest organ of the body
  6. 6. inflammation of appendix
  7. 7. inner layer of the skin
  8. 8. maneuver a first-aid procedure
  9. 11. gives skin its color