How Dogs manage their body temperature?
   Dogs do not sweat from underarms or from their skin.The most important organ from which they manage their body temperature is their tongue and that's the reason behind why dogs sweat from tongue.They sweat from the part around their foot pads that's why you may see their foot prints on floor if the temperature gets high.Mostly dogs keep their mouth open that's also a trick to regulate their body temperature.Another naturally present mechanism is to increase the blood flow in outer vessels that are near to skin this helps both in summer and winter,by increasing the  blood flow they are better able to catch air around them which helps them to keep their body temperature normal.
 
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