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How fast does our hair grow?
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Hair on the scalp normally grows about 1.25 cm a month. Most adults have about 120,000 hairs on their head, but they do not all grow all the time. Every six months or so hairs go into a resting phase; up to 10 percent of our scalp hairs are resting at any one time.
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Previous:
Back
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Book:
1001
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Section:
Human World
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Chapter:
Human Body: Systems
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