Chapter 1
The skin as a living shield
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Chapter 2
The science of hair and nails
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Chapter 3
The skin as a living ecosystem
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YOUR GOAL
Master of The human integumentary system
Ch 1 · The skin as a living shield
artiteacher Skin protection
I shed a million cells to keep you safe from harm, A brand new living shield is wrapping up your arm.
Fun Fact
Skin weight: The skin is your largest organ, accounting for about 16 percent of your total body weight.
Glossary
epidermis (noun)
The surface epithelium of the skin of a vertebrate, overlying the dermis. In 1852, Swiss histologist Albert von Kölliker published a detailed analysis of this protective tissue's cellular structure.
The surface epithelium of the skin of a vertebrate, overlying the dermis. In 1852, Swiss histologist Albert von Kölliker published a detailed analysis of this protective tissue's cellular structure.
Quiz
Which compound in the body is protected from UV destruction by high levels of melanin?
Quiz
Approximately how many days does it take for a new skin cell to travel to the surface?
Quiz
What is the primary evolutionary benefit of having lighter skin in northern latitudes?
