Across
- 3. A substance used to stimulate the production of antibodies and provide immunity against a disease
- 6. Protected against,not infected by a disease
- 10. Heating liquid or food to kill micro organisms
- 12. of the Four Humors The belief that the substances that make up the human body are:black bile,yellow bile, blood and phlegm
Down
- 1. A powerful X-ray that provides a cross-section of the human body invented in 1972
- 2. A unpleasant or unhealthy smell or vapour
- 4. An organism that can only be seen through a microscope examples include bacteria, Protozoa,algae and fungi
- 5. The Romans’ built these to transport fresh water to highly populated areas
- 7. A heart monitor invented by Willem Einthoven in the early 1900’s
- 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. Medicines that treat infections by killing bacteria