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Humanities LibreTexts

Critical Thinking Questions

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    1. What determines the color of skin, and what is the process that darkens skin when it is exposed to UV light?
    2. Cells of the epidermis derive from stem cells of the stratum basale. Describe how the cells change as they become integrated into the different layers of the epidermis.
    3. Explain the differences between eccrine and apocrine sweat glands.
    4. Describe the structure and composition of nails.
    5. Why do people sweat excessively when exercising outside on a hot day?
    6. Explain your skin’s response to a drop in body core temperature.
    7. Why do teenagers often experience acne?
    8. Why do scars look different from surrounding skin?
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