5. Integumentary System
The Epidermis: Layers
Multiple Choice
Multiple ChoiceWhy do the cells in the more superficial layers of the epidermis die?
A
They experience a great deal of mechanical stress.
B
They're exposed to oxygen in the air, causing them to age faster.
C
They're exposed to harsh chemicals contained in soaps, lotions, and other products.
D
They are far away from any blood supply, causing a lack of nutrients.
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