What organ can be conserved outside of the body for the longest time and still function when reimplanted?
closed as unclear what you're asking by user560, Satwik Pasani, Chris♦, WYSIWYG, fileunderwater Mar 13 '14 at 19:41
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Depends what you consider an organ. Typically though it's the cells which require the most metabolic activity which have the shortest life span. The kidney is the most of the major internal organs with up to 36 hours with liver coming second at up to 16 hours.