• Question: How much blood do we have?

    Asked by GloryXGaming to Ryan, Ruth, Mako, Liad, Claire on 16 Jun 2015. This question was also asked by 563thuc23.
    • Photo: Tat Ming Mako Ng

      Tat Ming Mako Ng answered on 16 Jun 2015:

      It depends on how heavy you are. On average, we have 77 ml of blood per kg we weigh, so a 20 kg children will have 1.54 litre of blood, while a 70 kg adult will have 5.39 litre. Females generally have slightly less blood than males.

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