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Eduardwww [97]
3 years ago
11

Why do the hairs on people arms raise

Biology
2 answers:
Alex787 [66]3 years ago
8 0
A force of attraction of electrons. Like a balloon rubbing on your head.
Andre45 [30]3 years ago
4 0

Answer:

When humans go through puberty, hormones called androgens trigger some of the tiny vellushairs to "trans-differentiate," or change into terminal hairs that have color, grow longer and cycle.

Explanation:

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