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Biology 20 Online
OpenStudy (anonymous):

how big is human hair

OpenStudy (anonymous):

40-50 microns wide Source: http://mrsec.wisc.edu/Edetc/nanoscale/index.html

OpenStudy (anonymous):

The diameter of human hair varies from 17 to 180 micrometers (0.00067 to 0.0071 in) http://en.wikipedia.org/wiki/Hair It is likely the above reference is a range for a particular type of hair. eyebrow and eyelash hairs are much thicker. A woman's hair is usually finer than man's hair. Did you know you can measure the diameter very precisely using a wooden meter stick?

OpenStudy (anonymous):

it varys on how long u want it

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