Olivia's Crossword Puzzle

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