Blood

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  • Blood
    • White blood cells
      • Body's defense system against microorganisms
      • Unusual shaped nucleus
    • Platelets
      • Clotting
      • No nucleus
      • When body is wounded, platelets accumulate
        • Lead to formation of a clot
      • Remains of giant cell
        • Megakaryocyte
    • Haemoglobin + oxygen oxyhaemoglobin
      • Bright red blood colour
    • Plasma
      • Mostly water
      • Transports carbojn dioxide - respiration
      • pH slightly alkaline
        • 7.35 - 7.45
      • Hormones
      • Straw coloured fluid
      • 55% blood volume
      • Carbon diocide alters pH of plasma
    • Supplies cells with oxygen and food
    • A tissue
      • Runs through veins and arteries
    • Fluid
      • Plasma
        • Red blood cells
        • White blood cells
        • Untitled

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