011443, MEMBER
17, United States
0 points (HYDROGEN)
September 14, 2008 12:12

Goose bumps? Why?!

Why does our hair stand up when we're cold? And why are they called Goose Bumps?!?!
TAGS:
inventorkid, MEMBER
14, United States
3 points (HYDROGEN)
September 14, 2008 12:22

The reason the hair stands up when we are cold or frightened is that tiny muscles under or in the skin called arrector pili muscles contract and make the hair follicles stand up. In hairier animals, this raises the layer of insulation to warm them up or to cushion them in a fight. They are called goose bumps because they give the skin a texture like the skin of a freshly plucked goose or other bird.

 		 
 
  
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The reason the hair stands up when we are cold or frightened is that tiny muscles under or in the skin called arrector pili muscles contract and make the hair follicles stand up.  In hairier animals, this raises the layer of insulation to warm them up or to cushion them in a fight.  They are called goose bumps because they give the skin a texture like the skin of a freshly plucked goose or other bird.


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Natalia, MEMBER
16, Greece
625 points (NITROGEN)
June 11, 2009 03:47

Oh! If I just had noticed this topic before...
I know that when hair stands up it leaves some gaps in the skin so that we can gain more heat.
But we get goose bumps not only if cold, but also when hearing some sounds (like a fork making this horrible sound when scratching the plate, or when we listen to some extremely pleasant music), and also by other factors... Why is that? Do all these somehow create the sense of being cold? How?

 		 
 
  
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Oh! If I just had noticed this topic before...

I know that when hair stands up it leaves some gaps in the skin so that we can gain more heat.

But we get goose bumps not only if cold, but also when hearing some sounds (like a fork making this horrible sound when scratching the plate, or when we listen to some extremely pleasant music), and also by other factors... Why is that? Do all these somehow create the sense of being cold? How?


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annie, MEMBER
0, Abkhazia
1 points (HYDROGEN)
February 19, 2010 14:35

Useful info. Hope to see more good posts in the future.

 		 
 
  
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Useful info. Hope to see more good posts in the future.


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