Keratin is a durable protein that makes the ____ waterproof and resistant to bacteria and viruses.

Question

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Keratin is found in the epidermis, which is the outermost layer of the skin. It forms a waterproof barrier that protects the body from environmental damage, and also helps to prevent the growth of harmful bacteria and viruses. The other options (arrector pili, dermis, subcutaneous, and hypodermis) do not contain keratin in significant amounts.

Keratin Is a Durable Protein That Makes the ____ Waterproof