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High School Biology: Introduction to the Human Body - Bones, Muscles, and Skin - The Integumentary System
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The integumentary system is the set of organs forming the outermost layer of an animal's body. It comprises the skin and its appendages, which act as a physical barrier between the external environment and the internal environment that it serves to protect and maintain the body of the animal.

High School Biology: Introduction to the Human Body - Bones, Muscles, and Skin - The Integumentary System
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12 Questions

1. What color is the melanin pigment?
2. Exposure to UV light stimulates the skin to produce which vitamin?
3. The average square inch (6.5 cm2) of skin has how many sweat glands?
4. How many layers does the skin have?
5. Skin cancers
6. What color is the melanin pigment?
7. Which of the following are functions of hair?
8. Melanin in the skin blocks
9. The underlying cause of acne is excessive secretion of
10. How many layers does the skin have?
11. Exposure to UV light stimulates the skin to produce which vitamin?
12. The dermis contains which of the following?