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The document discusses thermoregulation in the skin through processes in the dermis and epidermis layers. The dermis can constrict or dilate blood vessels to regulate heat through the skin, and the body can cool through evaporative cooling using erector muscles and sweat glands in the epidermis.
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- 2. Dermis
- 4. Epidermis Dermis
- 6. Evaporative Cooling erector muscle