history of medicine

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