Which of the following structures is made of keratin? comedone nail plate furuncle melanin
a) comedone
b) nail plate
c) furuncle
d) melanin

the nail plate (corpus unguis) is the hard part of the nail, made of transluscent keratin protien

it hurts at first because " the cherry is broken" which is a thin layer of skin that breaks so the first time girls have sex it hurts and it bleeds but after the first time it does hurt again because the skin that ia torn does not break again/ grow back.