HISTOLOGY
INTEGUMENTARY SYSTEM SKIN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a vitamin growing out of your skull
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a mineral found in the hair skin and nails
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a protein found in the skin, hair and nails.
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None of the above
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Detailed explanation-1: -A type of protein found on epithelial cells, which line the inside and outside surfaces of the body. Keratins help form the tissues of the hair, nails, and the outer layer of the skin. They are also found on cells in the lining of organs, glands, and other parts of the body.
Detailed explanation-2: -Keratin (/ˈkɛrətɪn/) is one of a family of structural fibrous proteins also known as scleroproteins. Alpha-keratin (-keratin) is a type of keratin found in vertebrates. It is the key structural material making up scales, hair, nails, feathers, horns, claws, hooves, and the outer layer of skin among vertebrates.
Detailed explanation-3: -Keratin protein is a type of protein that makes up your hair, skin and nails, and is even found in your internal organs. The reason it has become a buzzword is because it plays a large role in hair protection and repair.