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mindmap gay (Sprint 1 (lesson 1 (Da-Dum (DUM (the left and right…

- - - - DA
        
        The left and right ventricles relax
        
        the tricuspid and mitral valves open
        
        the blood flows into the left and right ventricles
        
        the pulmonary and aortic valves close (Da sound)
      - DUM
        
        the left and right ventricles contract
        
        the left and right atria relax
        
        the pulmonary and aortic valves open
        
        the blood flows into the pulmonary artery aorta
        
        the tricuspid and mitral valves close (Dum sound)
    - - oof
        
        pulmonary artery
        
        vena cava
        
        right atrium
        
        tricuspid valve
        
        right ventricle
        
        pulmonary valve
        
        aorta
        
        pulmonary vein
        
        left atrium
        
        aortic valve
        
        mitral valve (bicuspid)
        
        left ventricle
        
        apex
        
        septum
- - - - diastolic pressure (the pressure when the heart rests between beats)
      - systolic pressure (measures the pressure in your blood vessels when your heart beats)
  - - - Bloodgroups
      - The parts of blood
- - - - the immune system
      - lymphocytes
      - phagocytes
      - platelets
      - diseases
    - - antigens
        
        antigens are like the passport of a cell. this is how your body knows if a cell does or does not belong in your body
        
        antigens are proteins that sit on the cell wall/cell membrane of all cells in nature.
      - antibodies (first line of defence)
        
        your cells produce these to fit the antigens and so attack the pathogens. these are produced by the B-cells.
        
        stick to antigens
        
        make pathogens stick together
        
        stop reproduction
        
        works as a GPS
      - phagocytes (second line of defence [pus])
        
        the stupid soldiers
        
        they attack anything with foreign antigens
        
        they also attack anything with antibodies attached
        
        they can track antibodies
      - lymphocytes
        
        B-cells
        
        stick the antibodies together
        
        produce the antibodies
        
        make memory cells
        
        T-Helper cells
        
        identify enemies
        
        activate B-cells
        
        T-Killer cells
        
        if need to be produced toxins kill the pathogens the phagocytes can’t kill
        
        produce toxins to neutralise those of the pathogens