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Biology, 27.06.2019 02:30 zhangyixing1

The integumentary system is an organ system consisting of the skin, hair, nails, exocrine glands, and sensory nerves. what to protect the body from uv radiation by preventing sunlight from reaching the skin, and also insulates the body by trapping warm air around the skin?

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The integumentary system is an organ system consisting of the skin, hair, nails, exocrine glands, an...
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