Across
- 3. General protection from invading microbes
- 5. the defense system composed of the skin, mucous membrane, phagocytes, inflammation, etc
- 7. A foreign particle in the body
- 8. another name for B cells
- 9. the location where T-cells develop
- 10. Type of white blood cell that surrounds and destroys invading microbes
- 11. weakened or killed antigen which when injected promotes immunity
- 12. another name for a white blood cell
Down
- 1. system that protects the body from infection
- 2. another name for T cells
- 4. location where B-cells develop
- 6. The process of white blood cells engulfing and surrounding microorganisms