The Integumentary System

    (1) Describe the layers of the skin and briefly explain their major functions. (2) Mrs. Trojan just turned 75 and has noticed that her face is riddled with wrinkles. What would be (A) one underlying physiological change that caused the wrinkles, (2) one external stimulation that could have affected the formation of wrinkles, and (3) one intervention that could have prevented or that can improve the health of her facial skin (function and cosmetic)?