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    asked by Penny Spencer near Ada Place, Ultimo NSW, Australia on 27 May,2019

    Cat why Meow

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How much better is a dog’s sense of smell than our own? Open


A dog can smell anywhere from 10,000 to 100,000 times better than the average human. Canines have 300 million olfactory receptors, compared to our measly six million. Moreover, the part of the brain dedicated to smell is 40 times larger in dogs than in humans.

A dog’s nose also works differently than the human nose. While people breathe in and out the same way, canines breathe in through their nostrils and out through the slits found on the sides of the nose. This system circulates air so that the animal is always bringing in new smells. Breeds like the bloodhound also have the advantage of floppy ears that push up new smells.