• Question: If a person is injured, how much blood do he have to lose before he die?

    Asked by salge to Katie, Andrew, Sadaf on 27 Jun 2013. This question was also asked by gmjagger.
    • Photo: Andrew Swale

      Andrew Swale answered on 27 Jun 2013:

      This would depend on the individual’s weight as our usual blood volume is approx 1/11th of our weight

      However, on average it is thought we need around 5 litres of blood to survive

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