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https://www.protrainings.com/blog/wp-content/uploads/2018/05/Pet-Thumbnail-scaled.png25601426By Arden Moore When it comes to comparing the ability to smell things, dogs easily beat us by a nose. Olfactory receptor cells inside a dog’s nose are boosted by tiny hairs called cilia that are coated with mucus to help trap scent. Why dogs win by nose is because there are about 100 million olfactory receptor cells in canine ...