6. Who discovered the four humours?
- Aristotle
- Hippocrates
- Galen
7. What did the Romans build to improve bad smells, unclean drinking water and sewage swamps?
- Drains
- Aqueducts - carried clean water into cities
- Sewage systems
8. Which one of these individuals created the smallpox vaccine?
- Louis Pasteur
- Robert Koch
- Emid Behbring
9. Who was Asclepios?
- A physician
- The Greek god of healing who had daughers Hygeia and Panacea
- A doctor
