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Blood Vessels - Coggle Diagram

- - - - SMOOTH
        MUSCLE
        
        provides
        support
        
        can constrict (vasoconstriction) or
        dilate (vasodilation) controlling the
        amount of blood reaching the organ
        (depending on metabolic needs)
        
        contractions of SM + narrowing of
        lumen can help to maintain blood
        pressure
      - ELASTIC
        FIBRES
        
        allows arteries to STRECTH
        as blood pulses out of heart
        
        when pulse has passed, arteries
        RECOIL to help push blood along
        artery - maintaining blood pressure
    - - smooth surface
        reducing friction
- - - - SOME
        smooth muscle
        
        due to
        LOW pressure
      - very LITTLE
        elastic tissue
        
        due to
        LOW pressure
    - - smooth surface
        reducing friction