Human skin color is determined by the interaction of melanin, carotene and hemoglobin. Storage of water, fat, glucose and vitamin D is also a function of the integumentary system, according to the AAD.
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Re: HSU Research VTF-3 MK5 HP Discussion Thread ...And now back to our regularly scheduled program, I just ordered one of these goobers from the fine folks at HSU. Not sure how long it will take but it should be here in a week or so. Looking forward to fluttering my trouser legs a bit.