Medicine Through Time

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