History medicine through time

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Across
  1. 2. Heating liquid or food to kill microorganisms
  2. 5. medicine that treats infection by killing bacteria
  3. 6. Protected against, not affected by a disease
  4. 7. The belief that the substances that make up the human body are: black bile, yellow bile, blood, and phlegm.
  5. 8. A substance used to stimulate the production of antibodies and provide immunity against a disease
  6. 9. A substance that stops or slows down the growth of microorganisms
  7. 11. A powerful Xray that provides a cross-section of the human body invented in 1972
  8. 12. The Romans built these to transport fresh water to highly populated areas.
Down
  1. 1. An organism that can be seen only through a microscope. Examples include bacteria, protozoa, algae, and fungi.
  2. 3. A heart monitor invented by Willem Einthoven in the early 1900’s
  3. 4. An unpleasant or unhealthy smell or vapour.
  4. 10. To give a weak form of a disease to a person or animal, usually by injection, as a protection against that disease