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OpenStudy (anonymous):
what cell in our body live for years then it renewed
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OpenStudy (trancenova):
Lots of cells in the body are renewed and many live for years. One example is heart cells, they live most of our lives but are also replaced (1% every 20 years): http://ki.se/ki/jsp/polopoly.jsp?d=29039&a=78542&l=en
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