Across
- 3. Microorganism that grows without oxygen.
- 8. One celled microorganism.
- 11. Non-living objects that carry disease
- 13. Microorganism that requires oxygen.
- 14. Immunity following a disease.
- 16. A particle of moisture from the mouth
- 19. Communicable disease
- 20. Disease prevalent over the whole world.
- 23. An insect that transmits disease.
- 24. A parasitic worm.
Down
- 1. harmless until immunity is decreased.
- 2. Single cell microscopic animal.
- 4. Disease affects a given population.
- 5. Free from all living organisms and spores.
- 6. Where a pathogen lives and grows.
- 7. Within the body.
- 9. Outside the body.
- 10. Microorganism that causes disease
- 12. Process to clean surfaces of pathogens.
- 14. Showing no signs or symptoms of infection.
- 15. Destroys all bacteria except spores
- 17. The severity or harmfulness of a disease.
- 18. Pathogen carried blood or body fluids.
- 21. Infection to all or part of body.
- 22. Microorganism such as yeast or mold.