medicine through time

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