Immunology

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Across
  1. 1. Disease-causing microorganisms
  2. 4. Proteins released by cells in response to pathogens
  3. 6. Type of immunity developed after exposure to a pathogen
  4. 8. Another name for white blood cells
  5. 9. A substance that triggers an immune response
  6. 10. The body's defense mechanism against infections
  7. 12. Immune response where antibodies are produced
  8. 15. Protein produced by B cells that binds to antigens
  9. 16. This type of cell retains a memory of past infections
  10. 19. Lymphoid organ that filters blood
Down
  1. 1. The fluid component of blood
  2. 2. The type of immunity present at birth
  3. 3. Vaccines provide this type of immunity
  4. 5. The process of making an organism immune to infection
  5. 7. A harmful immune response against self-antigens
  6. 11. Type of white blood cell that engulfs and digests foreign substances
  7. 13. The organ where T cells mature
  8. 14. Type of T cell that kills infected cells
  9. 17. Cells that present antigens to T cells
  10. 18. Type of T cell that helps regulate immune responses