You Are Only 10% Human
In the average adult man, more than two kilograms of body weight are made up of microorganisms. The human cells in every body are outnumbered 10 to one by microorganisms like eyelash mites.
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from Earth Unplugged
Key Facts In This Video
The microbes on and inside your body outnumber your human cells 10 to 1. (0:42)
A healthy human body is home to around 10,000 different microbial species. (1:22)
On a given day, you could lose nearly 1 million skin cells, 100 hairs, and several liters of sweat. (2:12)