What do dogs rely on to know their masters

The dog’s innate powerful sense of smell is dozens of times higher compared to humans, where the dog’s olfactory cells are 60 times higher than those of humans, and can also recognize odors 100 million times lower in concentration, in other words, not only more types of odors than people perceive, but also others perceive a wide range of odors. So you will often see dogs sniffing east and west on the road, is to use the nose to explore the world to discover the world, smell the fragrance to know people. The second thing that enables dogs to distinguish their owners at once is hearing. Dogs have a different ear structure than humans, and can turn like a small radar to listen to signals. In addition to discriminating direction, the dog’s hearing is 16 times that of humans, hearing senses superb, can listen to the farthest distance is about 400 times that of people. You will find that you are far away, the dog can still hear your voice to distinguish your voice. Finally, there is the dog’s memory. Although the degree varies, but each dog is equivalent to a child’s intelligence, the sound they often hear, the familiar taste will have a certain memory.