Across
- 1. given to people to prevent a disease
- 3. A single-celled eukaryote that is either free-living or parasitic
- 4. A drug that kills bacteria
- 5. Isolation to prevent a disease to spread
- 8. microorganisms that cause diseases
- 10. A one-celled prokaryotic microorganism without a nucleus
- 11. When a person has many white blood cells to get rid of diseases
Down
- 2. There are many causes of sickness in one part of the world
- 4. Special proteins that kill pathogens
- 6. Killing pathogens with heat
- 7. There are cases of sickness all over the world
- 9. A one-celled prokaryotic microorganism without a nucleus