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Blood, Heart and CHD - Coggle Diagram

- - - - Features
        
        Biconcave
        
        More surface area to pick up oxygen.
        
        Red
        
        it felt like being red idk
        
        No nucleus
        
        More surface area to pick up oxygen, doesn't need commands anyway.
        
        Haemoglobin
        
        Picks up oxygen.
    - - Features
        
        Nucleus
        
        For controlling the cell so that it can find pathogens and do advanced manoeuvres.
        
        Adaptable shape
        
        For engulfing and destroying viruses, infections and pathogens.
        
        White
        
        it felt like being white idk
    - - Features
    - - Features
- - - - vena cava
        
        brings blood back to the heart from the different parts of the body
      - pulmonary vein
        
        Only vein that carries oxygenated blood
        
        carries oxygenated blood the the lungs
      - aorta
      - pulmonary artery
        
        the only artery that takes deoxygenated blood
        
        brings deoxygenated blood to the lungs for oxygenation
    - - semi Luna valve
      - atrio-ventricular valve