Blood

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Blood

  • Blood is a tissue
  • It is made up of a liquid called plasma, which is made up of three different components: red blood cells, white blood cells and platelets.
  • Plasma transports various chemical substances around the body, such as the products of digestion, hormones, antibodies, urea and carbon dioxide.
  • Red blood cells:
  • Contain haemoglobin, which binds to oxygen to transport it from the lungs to the tissues and cells, which need it for respiration
  • do not contain a nucleus, so there is more room for haemoglobin
  • are very small, so they can…

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