Definitions

1. Protected against, not affected by a disease
3. An unpleasant or unhealthy smell or vapour
6. A heart monitor invented by Willem Einthoven in the early 1900’s
9. the Romans built these to transport fresh water to highly populated areas
10. a substance that stops or slows down the growth of microorganisms.
11. to give a weak form of a disease to a person or animal, usually by injection, as a protection against that disease
12. A powerful Xray that provides a cross-section of the human body invented in 1972 CAT

2. The belief that the substances that make up the human body are: black bile, yellow bile, blood, and phlegm.
4. Medicines that treat infections by killing bacteria
5. An organism that can be seen only through a microscope. Examples include bacteria, protozoa, algae, and fungi.
7. Heating liquid or food to kill microorganism’s
8. a substance used to stimulate the production of antibodies and provide immunity against a disease