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Integument (Functions of skin (Temperature regulation (98.6 F (Temp…
Integument
Functions of skin
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Temperature regulation
98.6 F
Temp increase, blood vessels dilate, sweat glands are stimulated, and your body cools off, lowering body temperature
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Cold temperatures
Blood vessels constrict
Cause blood to bypass skin temporarily, and allows skin temperature to decrease
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Excrete waste
While sweating out water, you also sweat out waste
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Hair
Protection, temperature regulation, sensory input, & communication
Flattened, dead, keratinized cells - what hair is
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Nails
Epidermis, found in fingers and toes
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Two fundamental layers
Epidermis
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Cells
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Melanocytes
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Produce melanin, a pigment
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Albinos do not create tyrosine, so they cannot make melanin.
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Four epidermal layers
Stratum basale
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Actively mitotic stem cells, actively dividing and pushing up cells
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Beneath is subcutaneous layer, links skin to lower tissues
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