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Transport in humans (Blood (white blood cells (2 types of white blood cell…

- - - - lymphocytes
        
        produce antibodies
      - phagocytes
        
        ingest foreign
  - - - to transport oxygen to all parts of the body
    - - destroyed in the spleen
    - - binds oxygen
    - - increase surface area to volume ratio
- - - - prevent
        
        reduce smoking
        
        eat a balanced diet
        
        cope with stress
      - causes
        
        unhealthy diet
        
        emotional stress
        
        smoking