HYGIENE AND CELL

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Across
  1. 4. head-lice
  2. 6. a natural scavenger
  3. 7. single celled organism
  4. 10. spoils habit
Down
  1. 1. little organs
  2. 2. well defined nucleus
  3. 3. abnormalities of the nervous system
  4. 5. tooth disorder
  5. 8. improves circulation of the blood
  6. 9. large vacuoles