medicine through time-keywords and definitions

3. An unpleasant or unhealthy smell or vapour.
8. To give a weak form of a disease to a person or animal, usually by injection, as a protection against that disease.
9. A substance that stops or slows down the growth of microorganisms.
11. An organism that can be seen only through a microscope. Examples include bacteria, protozoa, algae, and fungi.
12. Heating liquid or food to kill microorganisms.

1. The belief that the substances that make up the human body are: black bile, yellow bile, blood, and phlegm.
2. A substance used to stimulate the production of antibodies and provide immunity against a disease
4. The Romans built these to transport fresh water to highly populated areas.
5. Medicines that treat infections by killing bacteria.
6. scanner A powerful Xray that provides a cross-section of the human body invented in 1972
7. A heart monitor invented by Willem Einthoven in the early 1900’s.
10. Protected against, not affected by a disease