Across
- 4. produced by B cells to neutralize pathogens
- 8. that filters blood and helps fight infection
- 9. of the immune system in autoimmune diseases
- 10. of immunity developed after infection or vaccination
- 12. type that contains weakened pathogens
- 14. cells that remember previous infections
- 16. that occurs quickly and non-specifically
- 17. that destroy virus-infected or cancer cells
Down
- 1. sign of inflammation: redness, heat, swelling, and ______
- 2. where T cells mature
- 3. line of defense: skin and mucous membranes
- 5. body’s defense system against infections
- 6. blood cells that engulf and digest microbes
- 7. on pathogens that triggers immune response
- 11. used to stimulate immune response
- 13. messengers that coordinate immune activity
- 15. of immunity transferred from mother to baby