# Hairs and on your arms & legs...

**URL:** <https://boards.straightdope.com/t/hairs-and-on-your-arms-legs/226928>\
**Category:** Factual Questions\
**Created:** [January 31, 2004, 5:24pm UTC](https://boards.straightdope.com/t/hairs-and-on-your-arms-legs/226928 "2004-01-31T17:24:27Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ali0r](https://avatars.discourse-cdn.com/v4/letter/a/ecc23a/32.png) [@ali0r](https://boards.straightdope.com/u/ali0r)\
**Post date:** [January 31, 2004, 5:24pm UTC](https://boards.straightdope.com/t/hairs-and-on-your-arms-legs/226928/1 "2004-01-31T17:24:27Z")

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When you lose or cut a hair on your arm or leg… how does it “know” to grow to a certain length and no more?

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**Author:** ![gluteus\_maximus](https://avatars.discourse-cdn.com/v4/letter/g/f17d59/32.png) [@gluteus\_maximus](https://boards.straightdope.com/u/gluteus_maximus)\
**Post date:** [January 31, 2004, 5:53pm UTC](https://boards.straightdope.com/t/hairs-and-on-your-arms-legs/226928/2 "2004-01-31T17:53:00Z")

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Because it’s not ‘hair’… it’s ‘fur’.

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**Author:** ![terd\_ferguson](https://avatars.discourse-cdn.com/v4/letter/t/8edcca/32.png) [@terd\_ferguson](https://boards.straightdope.com/u/terd_ferguson)\
**Post date:** [January 31, 2004, 5:57pm UTC](https://boards.straightdope.com/t/hairs-and-on-your-arms-legs/226928/3 "2004-01-31T17:57:37Z")

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[http://www.straightdope.com/classics/a1\_097b.html](http://www.straightdope.com/classics/a1_097b.html)