protects underlying structures from trauma
toughens cells of epidermis
secretes sweat that is involved in termoregulation
keeps epidermis and hair shaft soft and flexible
arrector pili muscle
moves hair follicl
dermal blood vessels
protects deeper structures from UV light
respond to light touch
respond to pressure (hard touch)
protect distal end of finger and aid in picking things up
site of nail growth
fat storage; thermoregulation
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