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July 20, 2008
Dog Body
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Body Challenge

How much do you really know the inner workings of your canine pal? Take our quiz and find out.

1)  The mechanism by which a dog keeps cool is by:
 a) Sweat glands.
 b) Panting.
 c) Secretion of fluid in the nasal glands.
 d) Taking a shower.

Submit Answer

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Picture: PhotoDisc/Getty Images

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