DH Ch.17

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Across
  1. 3. No shape
  2. 4. Excess minerals
  3. 5. Starting point
  4. 8. No oxygen
  5. 9. Needs oxygen
  6. 10. White blood cell
Down
  1. 1. Blocks calculus
  2. 2. Tooth mineral
  3. 6. Supporting framework
  4. 7. Hardened plaque
  5. 8. No cells