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