Across
- 2. Another name for Bubonic plague caused by Yersinia pestis
- 5. Bacteria that cause acne
- 8. A micro-organism that usually causes infection in our skin or stomach
- 10. A disease caused by protozoan parasite which bursts the blood cells
- 12. An organism found in he stomach of about 50% of all humans
- 13. The protective ability of our body
Down
- 1. A disease spread by bacteria in the air
- 3. A disease that is also known as break-bone fever due to excess pain in the bones
- 4. Carrier of a pathogen
- 6. Neutrophils engulf the invaders through this process
- 7. A fundamental type of response by the body to disease and injury
- 9. Most abundant cells of the immune system
- 11. Causes Measles
- 14. A sticky thick fluid secreted by our glands which acts as a barrier against invaders