Submitted by kenito225 t3_z6hxo6 in explainlikeimfive
Aneverydayuser t1_iy1hskf wrote
all cells are differentiated from the same genetic information. Your hair follicles are differentiated in the same way that your eyeballs are different from skin cells. Same genetic information, different expression.
As to why public hair is coarse, I beleive its because it reduces friction better and is more resilient to tangling. Pretty important to avoid infections and injuries.
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