Doing a kid's book and need to find out info on how quickly cells are replaced in the human body. I know that some turn over very quickly (liver or kidney) and others more slowly (bone) but that they are all replaced over a decade or two (well, I think so, anyway). Anyone know of a resource? I tried googling but could only find stuff on cancer, etc.
Comments
http://askanaturalist.com/do-we-replace-our-cells-every-7-or-10-years/
http://www.nytimes.com/2005/08/02/science/02cell.html
http://boards.straightdope.com/sdmb/showthread.php?t=372183 (Scroll to JR Brown's posts for a list of citations)
Theres also a bit of an issue isn't there with cell identity surely? If cells reproduce by splitting which is the original and which is the new one or do we consider them both new?
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