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Hard keratin is a substance composed of
Proteins
The portion of the hair from beneath the skin surface is called
Hair roots
The portion of the hair that extends beyond the skin surface is known as the
Hair shaft
The main structure of the hair root are the follicle bald and
Dermal papilla, sebaceous glands, arrector pili muscles
A tube like depression in the skin or scalp that in cases the hair root is the
Hair follicle
The natural flow of the hair as it emerges from scalp and slants in a particular direction is known as the:
Hair stream
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