Other
University of Western Australia: Blue Histology
An excellent, in-depth examination of the integumentary system and its components. Includes many color microscopic images of these structures and more.
Curated OER
Kids Health: Say Hello to Hair
There aren't many kids' sites like this one! Have fun and learn at the same time about the fuzzy, curly or straight stuff on the top of your head. Available in Spanish. Site by KidsHealth.org.