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Cardiovascular system (Blood vessels (Circulation (Portal, Systemic,…

- - - - Capillary
        
        Gas and nutrient exchange
- - - - Neutrophil
        
        Bacteria and fungus
      - Basophil
        
        Allergy
      - Phagocytes
      - Monocytes
        
        Become phagocytes
      - Eosinophil
        
        Parasite and allergy
  - - - Stacking on top of each other
      - Increase surface area
    - - So oxygen not used up
    - - 250 million per cell
      - Iron+4 heme proteins
  - - - B antigens
      - Anti-A antibodies
    - - A and B antigens
      - No antibodies
    - - A antigens
      - Anti-B antibodies
    - - No antigens
      - Anti-A and B antibodies
- - - - Lungs
      - Lower pressure
    - - Rest of body
      - Higher pressure
    - - Ventricle
        
        Blood leaves
      - Atrium
        
        Blood enters
    - - Prevent backflow
      - AV valve
        
        RHS
        
        Tricuspid
        
        LHS
        
        Bicuspid
      - Semilunar
        
        Aortic
        
        Pulmonary
    - - Aortic arch
        
        Carotid
        
        Descending
        
        Thoracic
        
        Abdominal
        
        Subclavian
      - Vena cava
      - Pulmonary artery/vein
  - - - Muscle contract
    - - Muscle relax