Completar Frases Ch 11 Properties of Hair & Scalp (D)Versión en línea Chemical Composition por Shawanna Whidbee 1 originating composed follicle protein Hair is of that grows from cells within the hair . 2 maturation keratinization cells The of these is called . 3 COHNS elements nails skin five elements Together , the that make up human hair are referred to as the to help people remember them ; they are also found in the and the . 4 bond heat broken dries cross hydrogen link water A is a weak , physical , - side bond that is easily by or ; these bonds reform when the hair . 5 polypeptide salt bonds Weak side bonds , physical , cross - linked between adjacent chains are . 6 waves relaxers disulfide bonds chemical permanent The hairs strongest side bonds ; are broken through and . 7 Eumelanin Pheomelanin Melanin pigment are the tiny grains of in the cortex that give natural color to the hair ; and . 8 curly extremely straight wave wavy shape pattern The of hair refers to the of the hair strand and is described as , , , or curly . 9 extremely curly varying curl Native extremely anyone Asian African straight and Americans tend to have hair , while American ? s tend to have hair ; however of any race , or mixed race can have hair with degrees of . 10 curly often low elasticity Extremely hair has .