Across
- 2. These cells prowl around the body looking for MHC-1 lacking cells
- 5. PRRs are how these defense cells recognize pathogens
- 6. These are released by macrophages and neutrophils to promote blood flow to injured site
- 9. Invertebrates rely on their _____ exoskeletons for protection
- 11. This type of immunity involves memory-based defense
- 12. These receptors are found on innate immune cells
- 13. _____ cells release histamine which causes blood vessels to dilate
- 14. These cells are considered the first responders to infection
Down
- 1. Macrophages found throughout the body originate from _______
- 3. These cells rise in response to allergies or helminths
- 4. These cells stimulate adaptive immunity in cells contacting the environment
- 7. These are found on pathogens that interact with PRRs
- 8. All animals have what type of immunity?
- 9. This host-evasion mechanism produced by bacteria keep the pathogen safe when digested
- 10. shock This condition has a 40% average mortality rate
