surprise that dogs communicate and greet others in various ways, with their sense of smell playing a key role. Dogs explore the world through their noses, and their sniffing habits are how they gather important information.
The dog’s superior sense of smell comes from 220 million scent receptors in their nose. That’s about 50 times more than humans have, giving dogs the ability to detect scents that are completely undetectable to us.
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Simply put, dogs
