INTEGUMENTERY SYSTEM
EPIDERMIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The tough protein that gives hair, nails, and the outer layers of skin its strength is
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keratin
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melanin
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chromatin
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dermatin
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Explanation:
Detailed explanation-1: -Keratin is a protein that helps form hair, nails and your skin’s outer layer (epidermis). It helps support your skin, heal wounds and keep your nails and hair healthy. There are 54 kinds of keratin in your body.
Detailed explanation-2: -Keratin is produced in cells called keratinocytes. These cells are found among other epithelial cells that line the surface of the body.
Detailed explanation-3: -keratin, fibrous structural protein of hair, nails, horn, hoofs, wool, feathers, and of the epithelial cells in the outermost layers of the skin. Keratin serves important structural and protective functions, particularly in the epithelium.
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