Across
- 3. white blood cells that fight infection by phagocytosis
- 4. microorganisms that cause disease
- 9. relating to or consisting of cells
- 10. animals with a backbone or spinal column
- 11. chemical released during inflammation causing swelling and redness
- 12. blood cells involved in invertebrate immunity
- 14. white blood cells involved in allergic reactions and parasites
- 15. thick fluid of dead cells and bacteria at infection sites
Down
- 1. pathogen-associated molecular patterns recognized by immune cells
- 2. process where cells engulf and digest particles
- 5. white blood cells without visible granules
- 6. large immune cells that engulf pathogens and debris
- 7. elevated body temperature as a defense against infection
- 8. pattern recognition receptors that detect PAMPs
- 13. sticky secretion that traps microbes and debris