Across
- 4. the study of disease in humans
- 8. ability to mutate
- 9. the concentration of something
- 10. how likely a tragic event will occur
Down
- 1. the study of how poisonous a substance is
- 2. the quality of life you have
- 3. something you catch that is bad
- 4. all of your surroundings
- 5. it has the ability to spread from person to person
- 6. a dangerous thing
- 7. something that causes disease