Across
- 2. CELLS Cells that kill infected cells
- 3. microorganism
- 5. that bind to antigens
- 9. substance that triggers an immune response
- 10. White blood cells that are key in adaptive immunity
- 11. ability to resist infection
- 13. immediate defense system
- 15. Cells involved in cell-mediated immunity
Down
- 1. of antigen to create immunity
- 4. of immune system to respond faster second time
- 6. immunity with memory
- 7. of engulfing pathogens
- 8. CELLS Cells that activate other immune cells
- 12. Cells that produce antibodies
- 14. CELLS Cells that control immune response