Dogs have more than 200 million olfactory cells, while we humans only have 5 million. The dog’s olfactory mucosa can be as high as 30 square centimeters. In addition, the dog’s olfactory center is very developed, which makes the dog able to smell There are many odors that humans cannot smell, and they can smell far away, so dogs are often used as working dogs such as drug detection dogs.

Tips:

A dog’s sense of smell is the source of a dog’s confidence. Parents should pay attention to protecting its sense of smell and do not ask it some irritating things. This will damage the dog's sense of smell and make the dog less confident.