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The skin has many features that protect the body. It's waterproof nature keeps moisture inside. The sensory nerves warn you of danger (such as excessive heat). Melanin provides protection against UV radiation. Sebum and the acid mantle protect your skin against foreign matter. The sweat pores and fine hairs help with temperature regulation. The skin also is the site of vitamin D synthesis, which helps protect your bones.

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9y ago
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11y ago

One of them is acid. Because most of the skin secretion is acidic so that makes the skin an inhospitable place for microorganisms.

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Q: What are six protective features of the skin?
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