immune system and pathogens

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