When the body is just too chilly, the arrector pili muscles discovered connected to hair follicles rise up, creating the hair in these follicles to try and do exactly the same. These hairs then sort a warmth-trapping layer previously mentioned the epidermis. This process is formally named piloerection, derived from https://damienwdltb.timeblog.net/71902019/an-unbiased-view-of-hair-salon-in-ottawa