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Circulatory System, Circulatory System, Circulatory System, Circulatory…

- - - - Atria
    - - Ventricles
- - - - Epicardium
- - - - has 3 flaps
- - - - into pulmonary artery and the aorta
- - - - pumps it through the pulmonary arteries
- - - - from veins into heart chambers
  - - - from atria into ventricles
- - - - pacemaker
        
        sinoatrial node
        
        located in the upper wall of the right atrium
        
        passes freely into the connecting cardiac muscle cells
        
        between the right atrium and right ventricles called
        
        atrioventricular node
        
        passes through a strand of speciliazed muscle
        
        Bundle of His
        
        1 more item...
- - - - colorless cells
      - defenders of the body
      - has a nucleus and larger than RBC's
      - Types
        
        Eosinophil
        
        Neutrophils
        
        Basophils
        
        Monocytes
        
        Lymphocytes
        
        B-Lymphocytes
        
        produced in bone barrow and matured in thymus
        
        they directly attack infected cells
        
        T-Lymphocytes
        
        produced and matured in bone marrow
        
        produce antibodies
    - - anaerobic metabolism
      - an iron-containing protein
        
        Hemoglobin
      - do not leave blood vessels
  - - - fragments of cells
- - - - insoluable strands of a protein called fibrin