How Dog Smell So Sharp
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They possess up to 300 million olfactory receptors in their noses, compared to about six million in us. And the part of a dog's brain that is devoted to analyzing smells is about 40 times greater than ours. Dogs also have something called neophilia, which means they are attracted to new and interesting odors
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Dogs only produce sweat on areas not covered with fur, such as the nose and paw pads, unlike humans who sweat almost everywhere. It is believed that these sweat secretions produce an individual odor signal that is recognizable by other dogs. Dogs also have sweat glands on their noses. These are eccrine glands.
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