Other
The Internet Dermatology Society: Anatomy of the Skin
Despite the title of the page, this site explores the entire integumentary system, including skin, hair and nails. Content also includes the cutaneous sensory and cutaneous vascular systems, pigmentary system, sweat glands, sebaceous...
The Franklin Institute
Franklin Institute: Cutting Dead Cells
This site briefly explores how the integumentary system supports the excretory system in the removal of waste through the growth of hair, fingernails, and toenails.