• Question: why do cells die?

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      Asked by Sabrina-Ross!!!!!!!! to Alex, Anaïs, Peter, Sarwat, Shreesha on 17 Mar 2015.
      • Photo: Sarwat Iqbal

        Sarwat Iqbal answered on 17 Mar 2015:

        The cells can die in many ways –
        through infection, poisoning, overheating or lack of oxygen. Apoptosis is another cause.

      • Photo: Peter Maskell

        Peter Maskell answered on 17 Mar 2015:

        apoptosis is when cells “commit suicide” so they don’t damage surrounding cells. cells can also die of old age.

      • Photo: Shreesha Bhat

        Shreesha Bhat answered on 17 Mar 2015:

        Cells die so that they can be replaced by new cells (like in case of skin, new cells keep on forming, and old cells die) and let the cell cycle go on.

        Apoptosis (cell suicide) is also one of the reasons of cell death. However, it can also be induced by some external factors like viruses.

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