Across
- 2. A chemical substance that has a negative effect on the body.
- 5. A very small particle that contains proteins and hereditary material.
- 6. A condition where an organism experiences impaired function.
- 8. A substance used to kill or slow the growth of infections.
- 9. A type of prokaryote unicellular microorganism.
- 11. Any organism that has a harmful relationship with a host organism.
- 12. A larger outbreak of disease affecting an entire country or the whole world.
- 14. Something that can kill viruses.
- 16. A solution to a disease that contains weakened virus particles.
- 18. The transmission of a disease either directly or indirectly.
- 19. The response your body gives to a disease.
- 20. A protective coat that surrounds DNA or RNA.
Down
- 1. A disease that is not easily transferred from one person to another.
- 3. A nucleic acid present in all living organisms.
- 4. Eukaryotic, non-photosynthetic organisms, and most are multicellular heterotrophs.
- 5. Any factor (other than a person) that can spread disease.
- 7. A self-replicating material present in all living things, it is the carrier of genetic material.
- 10. An individual who is infected with a disease.
- 13. A type of soap that kills bacteria.
- 15. An outbreak of diseases that affects a large amount of people within a single season.
- 17. A disease that is easily passed from one person to another.