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Dogs have an incredibly heightened sense of smell compared to humans, with 300 million olfactory receptors in their noses that allow them to detect scents up to 100,000 times more effectively.

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Fun Fact:

Dogs have an incredibly heightened sense of smell compared to humans, with 300 million olfactory receptors in their noses that allow them to detect scents up to 100,000 times more effectively.

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petmd.com

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