Week 3 Discussion Study Tool on Chapter 1

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Across
  1. 3. Cells that keep the immune system from overreacting
  2. 4. "Hands" that bind to antigens
  3. 9. Tester antibodies
  4. 11. Cells eating foreign invaders
  5. 12. Best known secondary lymphoid organ
  6. 14. Cells that destroy virus infected cells
  7. 17. Our first line of defense
  8. 20. WBCs that mature to become antibody factories
  9. 24. Proteins present in immunized individuals
  10. 25. Molecules that inform killer T cells what's going on inside marked cells
  11. 26. Self renewing cells
  12. 27. B cells on demand
  13. 28. Fragments of viral proteins
  14. 29. "Leftover" B and T cells
  15. 30. Cells that secrete cytokines
  16. 31. Antibody molecule with heavy and light chain proteins
  17. 32. Non-pressurized plumbing system of the body
Down
  1. 1. Facilitate chemical communication between immune cells
  2. 2. Part of an antibody that binds to Fc receptors
  3. 5. Our third line of defense
  4. 6. Our second line of defense
  5. 7. Destined to become macrophages
  6. 8. Marking invaders to be eaten
  7. 10. Fragment of bacterial protein
  8. 13. 2 cells, 4 cells, 8 cells...
  9. 15. Molecules that are made by APCs
  10. 16. Vesicle with powerful chemicals and enzymes
  11. 18. Agent that causes antibodies to be made
  12. 19. Mix and match DNA diversity
  13. 21. B and T cells collectively
  14. 22. Phagocytose bacteria and are APCs
  15. 23. Vesicle