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Q.

Why is it when you get scared the hairs on your arms and legs stand up ?

Tags: health, beauty & fashion, politics & government
Asked by Uncommon Freind, 08 Oct '12 12:31 pm
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Answers (4)

 
1.

Adrenaline, stress harmones are responsibe for hair raise, goose bumps and heart beats when we get scared
Answered by MAdhavan Avadhany, 08 Oct '12 12:51 pm

 
  
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2.

Can't say But I would definitely be scared certain other parts of my anatomy around the hair (not arms and legs) fail to stand up
Answered by Vikram, 08 Oct '12 12:38 pm

 
  
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3.

When you get scared you body's temprature goes down and in winters you feels likes hairs of arms and legs stand up like only it occurs.
Answered by piyush, 22 Dec '12 02:16 pm

 
  
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4.

Hair standing on end goes by many names: the pilomotor reflex, horripilation, cutis anserina, or, simply, goose bumps. It is part of the fight-or-flight reaction and is not unique to humans. You have probably seen a frightened feline assume a Halloween cat pose with fur puffed out, or a dog develop a bristling ruff when confronted by a rival.

Of course, humans are not particularly fuzzy mammals (with a few exceptions making an appearance on beaches and at poolside), and our pilomotor reflex does little to convince our enemies that we are bigger and should not be messed with. It may, in contrast, help us become consciously aware of our own fear response and make us more attentive to potential dangers in the environment.

Cold also causes our hair to stand on end. Again, this response works better for fuzzier mammals or birds. Lifting the hair or plumping feathers traps a layer of air close to the skin, which provides extra insulation.

Some people get goose bumps when listening t ...more
Source: facebook
Answered by jameel ahmed, 08 Oct '12 12:35 pm

 
  
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