immunity

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Across
  1. 4. surrounds and kills microorganisms
  2. 10. develops from bone marrow
  3. 11. resistance
  4. 12. protein produced by bodies immune system
  5. 14. -immunity caused by small exposers
  6. 17. medicine that kills viruses
  7. 20. fights viruses
Down
  1. 1. reproductive cycle
  2. 2. b cells and t cells are this
  3. 3. COVID-19 got a - that helped fend off the virus
  4. 5. an immunity that develops when a person's immune system responds to a foreign substance or microorganism
  5. 6. white blood cell that makes antibodies
  6. 7. infects from within
  7. 8. toxic substance that triggers immune response
  8. 9. COVID-19 is a ..
  9. 13. engulfs and surrounds bacteria
  10. 15. - resistant to a pathogen
  11. 16. helps stop a disease
  12. 18. cells that are apart of immune system
  13. 19. resistance to a pathogen/disease