How many cells are in an adult human? — 4/11/2008 3:31 PM

Well, what do you know? I learned this from Lori Moss of Cellfab, who decided that I was displaying too much ignorance during one of our discussions:

“Although no exact number can be given, the order of magnitude of the number of cells in a human body can be approximated to about one hundred trillion cells. Then there are about 210 known distinct human cell types. On top of that, the human body contains 20 times more microbes, which are single-celled organisms, than it does cells.”

I spare you the rest. Suffice to say it’s a pleasure to have Cellfab as a member advertiser!

CellFab

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