The Immune System

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Across
  1. 2. Has unique binding areas to bind with antigens
  2. 5. Where B cells mature
  3. 6. Immune response that provides targeted protection
  4. 7. Introduces pathogen to the immune system to build resistance
  5. 8. Immune response that provides general protection
  6. 11. Phagocyte that develops from a monocyte
  7. 12. Where T cells mature
  8. 15. The crucial ability to distinguish self from nonself
  9. 16. Lymphocyte that recognize and attack infected cells using t cell receptors
  10. 17. Lymphocytes that use perforins to destroy targeted cells
  11. 19. T cells that secrete cytokines that activate B cells
  12. 20. Disease causing organism
Down
  1. 1. The most common type of white blood cell
  2. 3. Also known as killer T cells and destroy cells with foreign antigens
  3. 4. Cells that display foreign antigens to other cells
  4. 9. Matures from B cells and produces antibodies
  5. 10. releases histamine
  6. 13. Protects the body against pathogens
  7. 14. Lymphocyte the matures into plasma cell
  8. 18. Cell with long cytoplasmic extensions and produces interferons