medicine

4. A powerful Xray that provides a cross-section of the human body invented in 1972
6. The belief that the substances that make up the human body are: black bile, yellow bile, blood, and phlegm.
7. A heart monitor invented by Willem Einthoven in the early 1900’s
9. Protected against, not affected by a disease
10. A medicine used to treat or kill bacteria
11. An organism that can be seen only through a microscope. Examples include bacteria, protozoa, algae, and fungi.

1. A substance used to stimulate the production of antibodies and provide immunity against a disease
2. A substance that stops or slows down the growth of microorganisms
3. Heating liquid or food to kill microorganisms
5. The Romans built these to transport fresh water to highly populated areas.
8. A substance used to stimulate the production of antibodies and provide immunity against a disease