Across
- 4. During which century was it discovered, by William Harvey, that blood circulated?
- 5. What organism is penicillin derived from?
- 6. What caused most deaths during World War l?
- 8. What infectious diseases did Louie Pasteur's children die of?
- 10. Who purposed the Germ Theory?
- 12. The human heart is about the size of what?
Down
- 1. How was beriberi prevented?
- 2. During which time period was the "science of human anatomy" born?
- 3. In ancient Greece, what were treatments based on?
- 7. How was scurvy in sailors prevented?
- 9. What drug was invented during World War ll to fight dysentery?
- 11. In the US, one blood transfusion occurs once every ____ seconds.