transport in the blood

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  • Created by: siobhan
  • Created on: 10-05-13 17:00
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  • Transport in the blood
    • The fluid plasma contains red blood cells, whit blood cells and platelets.
      • Blood plasma transports: carbon dioxide from organs to lungs, soluble products of digestion from the small intestine to other organs, urea from the liver to the kidneys whee urine is made
    • Red blood cells
      • Biconcave discs which do not have a nucleus
      • contain the red pigment haemoglobin
      • use their haemoglobin which combines with oxygen to form oxyhaemoglobin in the lungs
      • carry the oxygen to all the organs where the oxyhaemoglobin spilts into haemoglobin and oxygen
    • white blood cells
      • have nucleus
      • form part of the body's defence system against microorganisms
    • platelets
      • are small fragments of cells
      • do not have a nucleus
      • help blood clot at the sit of a wound
  • The fluid plasma contains red blood cells, whit blood cells and platelets.
    • Blood plasma transports: carbon dioxide from organs to lungs, soluble products of digestion from the small intestine to other organs, urea from the liver to the kidneys whee urine is made

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