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Because of the lack of blood flow the cells are fighting to stay alive. After 5 minutes or so of no blood flow they start to damage and change. After four minutes or so the damage is so great that even if we restart the heart again and pump blood, the person can no longer be viable, because the cells have just been changed [by depletion] too much. And then the cells continue to change so that within a couple of days the body actually decomposes.

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14y ago

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