Across
- 3. A large group of unicellular microorganisms
- 6. Single or multi-celled microorganism
- 7. Tiny single celled organisms that produce toxins that cause disease
- 10. The enlargement of an artery cause by a weakened artery wall
- 11. A disease that lasts for a short period of time
- 13. A disease that lasts a long time
- 15. This organism occupy's a position between bacteria and Viruses
- 18. White blood cell that surrounds and kills pathogens
- 19. A type of helminth
- 20. Disease A disease that can be easily passed from person to person
Down
- 1. Attack A sudden and sometimes fatal occurrence that involves the heart
- 2. The most likely course of a disease
- 4. White blood cells that help the body fight pathogens
- 5. A device that is implanted in the heart to stimulate normal heart contractions
- 8. Disease A disease that cannot be easily passed from person to person
- 9. A biological agent that reproduces itself inside the cells of living hosts
- 12. The body's first line of defense
- 14. A germ that causes disease
- 16. A parasitic worm
- 17. A sign you have a disease