• Question: how many organs are there in the human body?

    Asked by ilovetmarsfa to Kat, Andrew, Annie, Katie, Sadaf on 18 Jun 2013.
    • Photo: Andrew Swale

      Andrew Swale answered on 18 Jun 2013:


      This is a tricky question. Strictly speaking, an organ is a structure that comprises at least two kinds of tissue that function together for a common purpose. Taking this definition some people would say we have 78

      However, most people tend to consider vital organs or organ systems.

      We have 12 organ systems (such as digestive, immune, reproductive, nervous etc) and most people agree we have 5 vital organs: the brain, the heart, the liver, the lungs, the kidneys

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