Dogs can pick up on many odors that humans can’t detect. That’s because a dog has around 300 million smell receptors in its nose, while humans only have about 6 million. This powerful sense of smell plays important role in finding a mate.
Dogs can pick up on many odors that humans can’t detect. That’s because a dog has around 300 million smell receptors in its nose, while humans only have about 6 million. This powerful sense of smell plays important role in finding a mate.