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