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Q.

Our hair and nails are composed of……

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a

Carbohydrates

b

Vitamins

c

Fats

d

Proteins

answer is B.

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Detailed Solution

Our hair and nails are composed of proteins.

Hair and nails are made up of dead cells/tissues mainly comprised of a type of protein called keratin. It is produced naturally in human body. It helps to keep the hair, skin and nails healthy and strong. External application of keratin enriched products like conditioners and hand creams enhances the look and health of hair and nails.

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