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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According to MSF(a famous an serious international Docs Association) HSV1 can live up to 3 hours on porous objects and up to 4 hours on solid objects. However it is not exactly known what concentration of the virus is necessary for an actual transmisson to take place.