Definitions

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Across
  1. 4. and fungi.
  2. 6. Heating liquid or food to kill
  3. 8. Medicines that treat infections by killing
  4. 12. a substance used to stimulate the production of
  5. 13. Protected against, not affected by a disease
  6. 15. and provide immunity against a disease
  7. 16. To give a weak form of a disease to a person
  8. 17. in the early 1900’s
  9. 18. of microorganisms
  10. 21. make up the
Down
  1. 1. bile,blood,and phlegm.
  2. 2. body are: black bile,
  3. 3. A heart monitor invented by Willem
  4. 5. against that disease
  5. 7. of the human body invented in 1972
  6. 9. of The Four Humours the belief that the
  7. 10. animal, usually by injection,as
  8. 11. A substance that stops or slows down the
  9. 14. An organism that can be seen only through
  10. 15. The Romans built these to transport fresh
  11. 19. An unpleasant or unhealthy smell or vapour
  12. 20. to highly populated areas.
  13. 22. Scanner a powerful Xray that provides a cross-