• Question: Why is blood red?

    Asked by 743ntrd43 to Irene on 12 Nov 2015. This question was also asked by 675ntrd43, 596ntrd43, 979ntrd43, 873ntrd43.
    • Photo: Irene Regan

      Irene Regan answered on 12 Nov 2015:

      Great Question; go to my front page and you will see a video, in case you cannot see it;
      The blood is made up of little cells called red blood cells, these cells are made of a protein called Haemoglobin, when the haemoglobin mixes with oxygen the blood cells turn red?

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