Across
- 5. helper __________ send signals that direct other immune cells to fight infection
- 6. immunity that consists of nonspecific immune responses
- 8. an infectious agent that causes disease
- 9. an immunological disorder in which the immune system turns against itself
- 12. immunity that has a specific adaptive response
- 14. the body's ability to resist a disease causing pathogen
- 15. "cell eating" the method in which a macrophage will surround and consume foreign substances
- 18. these can be counted and if high, it indicates an infection
- 20. where macrophages or white blood cells are made
- 21. a molecule that is part of some foreign substance like a virus spike protein or even pollen
Down
- 1. secreted by membranes that line the digestive and respiratory tract and trap pathogens
- 2. a substance, usually a weakened or dead form of a virus or other pathogen used to stimulate immunity
- 3. an immune system over response that is damaging to a substance such as pollen or certain foods
- 4. a physical barrier to infection unless cut
- 7. a protein that attaches to foreign substances and disarms or destroys them
- 10. type of white blood cells that surround and kill microoganisms
- 11. cerumen is the medical term for this secretion on the ear canal that traps pathogens if they try to enter through the ear canal
- 13. a long lived white blood cell that is capable of responding quickly when an antigen is reintroduced
- 16. secreted by stomach and creates a low pH environment that kills pathogens you ingest with your food
- 17. white blood cells that make antibodies
- 19. another name for a white blood cell