Across
- 3. Organ involved in blood filtration and immune response
- 6. Body's response to injury or infection
- 8. Cell that engulfs and absorbs bacteria
- 10. Substance that triggers an immune response
- 12. Hypersensitive immune response to harmless substances
- 14. Fluid containing white blood cells
- 15. Type of white blood cell that produces antibodies
- 18. Condition where the immune system attacks the body
- 19. Component of blood used in immune testing
- 20. Compound involved in allergy responses
Down
- 1. Type of white blood cell involved in immune response
- 2. Protein that neutralizes antigens
- 4. Type of white blood cell
- 5. Microorganism that stimulates an immune response
- 7. Substance that stimulates an immune response
- 9. Cell that engulfs and digests pathogens
- 11. Gland where T cells mature
- 13. Component of blood containing antibodies
- 16. Cell that regulates an immune response
- 17. Resistance to disease