• Question: is the ratio between mass and volume of blood the same for all living things, or does it vary for each species?

    Asked by gmjagger to Andrew, Katie, Sadaf on 27 Jun 2013.
    • Photo: Andrew Swale

      Andrew Swale answered on 27 Jun 2013:

      It varies between species; for example humans it is generally 1/11th (9%) of our body mass, whereas snakes have 5-8%

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