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ana5.docx - Hamlin1 Tyree Hamlin Professor Shidell BIO 107...

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Hamlin1Tyree HamlinProfessor ShidellBIO 107 Anatomy and physiology5 April 2021Chapter 5 Assignment: The Integumentary System1. Explain what determines the color of skin and the process that darkens skin when it is exposedto UV light? What effects can excessive amounts of UV light have on a person's skin. Thepigment melanin is essentially accountable for skin color. Melanin comes in many shades ofblack or brown. People with darker skin have more melanin, while lighter-skinned individualshave less melanin. Exposure to UV radiation stimulates the melanocytes to create and concealmore melanin.2. Name and describe the 3 layers of the skin, including the function and major components ofeach. Epidermis: The out layer of the skin where most cells are keratinocytes. The epidermisprotects the human body's internal organs such as muscles, nerves, and blood vessels againsttrauma.Dermis: the following and thick layers of fibrous and elastic tissue give skin its flexibility andstrength.

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Term
Winter
Professor
NoProfessor
Tags
Ultraviolet, APOCRINE SWEAT GLANDS

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