Fill in the Blanks Ch 11 Properties of Hair & Scalp (D)Online version Chemical Composition by Shawanna Whidbee 1 follicle composed originating protein Hair is of that grows from cells within the hair . 2 maturation cells keratinization The of these is called . 3 nails skin COHNS elements 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 heat cross dries hydrogen link broken bond water A is a weak , physical , - side bond that is easily by or ; these bonds reform when the hair . 5 bonds bonds salt polypeptide Weak side , physical , cross - linked between adjacent chains are . 6 chemical relaxers bonds permanent waves disulfide 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 pattern extremely wavy wave straight shape curly The of hair refers to the of the hair strand and is described as , , , or curly . 9 straight anyone Asian curly curl extremely extremely Native African varying 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 elasticity often curly Extremely hair has .