Across
- 5. immunoglobulins
- 7. group of proteins produced by cells as a reaction
- 8. substance that triggers an allergic response
- 12. chemical secreted by helper T cells
- 15. enzyme in mucus, tears and saliva
- 16. increased blood flow to an area
- 17. important phagocyte
- 18. process by which phagocytes destroy microorganisms
- 19. phagocytes that accumulate rapidly at sites
Down
- 1. substance secreted by irritated cells
- 2. any molecule that triggers an immune response
- 3. body's largest lymphatic organ
- 4. fever producing substance
- 5. substance produced in response to an antigen
- 6. severe and immediate hypersensitivity reaction
- 9. movement of cells out of a blood vessel
- 10. pyrexia
- 11. movement of white blood cells to an area
- 13. masses of lymphoid tissue
- 14. colorless fluid filling lymphatic capillaries