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Bio:Circulatory system:Blood Vessels, Heart - Coggle Diagram

- - - - Blood pressure
        
        Diffusion
        
        osmotic diffusion
    - - venules: the pick up blood from capillaries small veins
      - vericose veins - valves that are damaged causing swelling in the vein
      - How it moves: Movement(squeezing), respiratory, and valves
- - - - cleanses blood with microphages and kills red blood cells that are worn out (redundant organ)
- - - - right artium
        
        Sa Node & av Node are signal to contract
        
        right ventricle -
        
        Pulminary artery
        
        lung
        
        rest
  - - - pulminary veins
        
        left atrium
        
        left ventricle
        
        aorta
        
        has blood that is rich in oxygen
        
        body
        
        rest
  - - - babies receive oxygen & nutrients from placenta
    - - Pulmonary artery shortcuts to aorta & skips pulmonary circuit
        
        shortcut shrivels up after we dont use it when birthed
    - - hole in heart, to skip the pulminary cicuit
      - 27% of people still have, clog if hole is big enough
- - - - Treatments:
        
        heart attack & strokes -t-Pa clot busting
        
        Megavac sucks blood clot out of blocked artery
- - - - Hortmones epinephrine and norepinephrine released by adrenal gland