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3 July, 14:29

If you could change one thing about the circulatory system, what would it be?

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  1. 3 July, 14:52
    0
    The circle part about the circulatory sysytem
  2. 3 July, 14:54
    0
    I would make the blood blue when it can out of your body like it is when it's in there
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