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