Medicine Through Time

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