Their feet have built in heaters!
2007-01-26 14:03:47
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answer #1
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answered by a_r_cool123 5
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Okay, so this could be a philosophical type question, but it got me curious and here's a bit of a script I found:
D: Well, what keeps their feet from freezing?
Y: Ahh... you should have just asked me, instead of coming all the way down here. Penguins' feet don't freeze because of the blood circulating in them.
D: But, but standing barefoot on ice all day, wouldn't they lose a lot of heat through their feet? What keeps them from freezing altogether?
Y: The circulatory system of a penguin's legs and feet has evolved to lose as little heat as possible, while keeping the penguin's feet just above freezing. One way a penguin's feet hold onto heat is by restricting the flow of blood in really cold weather. Actually, humans can do this too. That's why your hands turn whiter in cold weather--there's less blood in them.
D: Say, they are white!
Y: Also, the tops of penguins' legs work like a kind of natural heat-exchanger, cooling the blood from their bodies on the way to their feet, and heating the blood as it returns to their bodies. The arteries and veins here become very fine and interwoven. That way the feet only get pre-cooled blood, so there's less heat to lose.
So I hope you aren't sorry you asked or sorry I answered. :)
2007-01-26 22:06:30
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answer #2
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answered by Isthisnametaken2 6
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They are built for the cold weather.
2007-01-26 22:02:07
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answer #3
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answered by Judas Rabbi 7
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They drink beer! Lots and lots of good beer!
.
2007-01-26 22:05:40
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answer #4
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answered by Freesumpin 7
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they are wearing duck boots
2007-01-26 22:03:20
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answer #5
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answered by Wicked 7
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they don't wear high heels
2007-01-26 22:04:47
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answer #6
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answered by Anonymous
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They do......
ever ask one?
2007-01-26 23:31:58
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answer #7
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answered by yahoo 6
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they are special.
2007-01-26 22:03:57
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answer #8
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answered by noname446 4
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