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