medicine

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Across
  1. 2. unpleasant smell or vapour
  2. 3. medicines that treat infections by killing bacteria
  3. 5. black bile,yellowbile etc
  4. 6. not affected by a disease
  5. 8. heating liquid or food to kill microorganisms
  6. 10. slows down growth of microorganisms
  7. 11. can only be seen through a microscope
  8. 12. the romans built these
Down
  1. 1. heart monitor
  2. 4. injection of a weak form of the disease
  3. 7. powerful Xray provides cross section
  4. 9. immunity against disease