Pathogens

3. cell wall is high in peptidoglycan 🡪 shows purple dye
5. Proteins used by the immune system to neutralize pathogens
6. cell wall has a thin layer of peptidoglycan with a polysaccharide layer on the outside instead 🡪 doesn’t show purple dye, appearing red
8. substances used to stimulate your immune system to guard against attack
9. treat bacterial illnesses
12. Defensive cells that eat pathogens to get rid of them
14. When an organism has developed enough defenses to successfully avoid an invasion from a pathogen
15. Type of Immunity that is non specific and uses 1st and 2nd lines of defense
17. stability of the internal environment and the mechanisms that maintain the stability
18. Network of organs that work together to recognize, fight, and defend against foreign substances at a cellular level
19. kill cells that go bad

1. Organisms or viruses that can cause disease
2. When the body’s immune system overreacts to usually harmless environmental substances
4. Foreign substances that act as signaling molecules to induce an immune response
7. Cellular defenses when the pathogens have made their way through the cell membrane
10. WBC that are made and mature in the bone marrow
11. treat viral illnesses
13. When enough people are vaccinated, the microbes aren’t able to spread
16. Activate cells that there is a problem, gets the Killer T cells going