When your body is too cold, the arrector pili muscles discovered attached to hair follicles rise up, producing the hair in these follicles to do the same. These hairs then form a warmth-trapping layer higher than the epidermis. This method is formally named piloerection, derived through the Latin terms 'pilus' https://beckettcbbyx.prublogger.com/35082711/the-definitive-guide-to-hair-salon-in-ottawa