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