Biology - Blood

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  • Created by: Tiula
  • Created on: 09-01-10 13:05


Blood is made up for four main parts:

  • Red Blood Cells
    Their job is to carry oxygen from the lungs to all the other cells.

    They have a doughnut shape to help them squeeze through capillaries, no nucleus and contain haemoglobin. Oxygen combines with haemoglobin to make oxyhaemoglobin, and this is carried in the red blood cell until it is released and diffuses into the cell that needs the oxygen.

  • Plasma
    Plasma is a pale straw-coloured liquid which carries


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