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LYMPHATIC SYSTEM - Coggle Diagram

- - - - Network of tubes similar to veins
      - Carry lymph
      - Contain valves to prevent backflow
  - - - Small, bean-shaped structures
      - Filter lymph and detect pathogens
      - Concentrated in the neck, armpits, groin
  - - - Filters blood
        
        Removes old red blood cells
        
        Produces lymphocytes
    - - Matures T cells
        Most active in childhood
    - - Trap pathogens in throat
        First line of immune defense
- - - - fight infections
    - - Returns excess interstitial fluid to the bloodstream
    - - Absorbs dietary fats from the small intestine
    - - Traps bacteria and viruses in lymph nodes