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White Blood Cells - Coggle Diagram

- - - - Structure
        
        Multi-lobed nucleus; small granules
      - Function
        
        First response to infection; phagocytosis; produce pus
    - - Structure
        
        Bi-lobed nucleus; red-orange granules
      - Function
        
        Defend against parasites; modulate allergic reactions
    - - Structure
        
        Bi/tri-lobed nucleus; dark granules
      - Function
        
        Release histamine (vasodilation) and heparin (anticoagulant)
  - - - Structure
        
        Largest WBC; kidney-shaped nucleus
      - Function
        
        Become macrophages; phagocytose pathogens; chronic infections
    - - Structure
        
        Small cells; large nucleus
      - Function
        
        Specific immune responses
- - - - except lymphocytes mature in thymus or lymph tissues
  - - - via cytokines from mature leukocytes
- - - - Move through capillary walls
    - - Attracted by chemical signals
    - - Squeeze through tissues