Medicine through time- Key words.

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