Across
- 2. marker protein the body identifies as self or nonself
- 4. defense such as sweat, tears, stomach acid
- 7. potential disease causing agent
- 8. type of immunity when you get sick and make antibodies
- 9. when white cells engulf a pathogen
- 13. filters lymph fluid
- 14. the first time the body encounters a pathogen
- 15. large filter of blood, located near stomach
- 16. fluid that leaks from blood vessels
- 17. produced during an allergy by the body
- 18. swelling of tissue due to increase of cell activity
- 19. where white blood cells are produced
Down
- 1. type of immunity given with a vaccine
- 3. defense such as the skin
- 5. made by b-cells to neutralize pathogens
- 6. immune response where memory cells are active
- 10. when the body attacks its own tissues
- 11. where white blood cells mature
- 12. type of t-cell that slows the immune response