Functions of the Blood

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Plasma is the liquid bit of the blood and carries nearly everything

  • Red/White Blood Cells and platelets
  • Digested food products
  • Carbon Dioxide from the body cells to the Lungs
  • Urea
  • Homones, which act as chemical messengers
  • Heat Energy

Red Blood Cells have the Job of carrying Oxygen

  • Red Blood Cells are small and have a biconcave shape ehich gives a large surface area for absorbing and releasing oxygen.
  • Contain Haemoglobin, called oxyhaemoglobin when it reacts with Oxygen.
  • They don't have a Nueclus, so more space.

Blood Vessels…


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