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I saw a dog staring at me at the school gate .I was kind of scary. I thought the dog would bite me when I was going out. But it was not. The dog started to follow me. I was very afraid. I started to run away, but the dog did it, either. Suddenly, the dog ran pass away me. I realized the man in front of me was the owner of the dog. I was relieved.

So their scent is meaningless. But food is a serious matter. What to us is an empty plate, is covered with the smell of chicken to a hungry dog.

forty times more than in humans. Through them the dog's brain can pick up signals from one molecule of scent in a million. It gives the dog: a completely different picture of the world, based on what it smells, rather than what it sees.

When a dog follows its nose, it's actually being led by thee key senses. Sight:a glimpse of the enemy saves them barking up the wrong tree. Sound: a bark can be a fierce threat, but it's also how canines make their long distance calls. Smell: this tells a dog more than all the other senses put together.

a big nose and a small mouth. It’s black and white. It has a short tail. It’s cute and lovely.

Doggy has two big eyes, two small ears, a big nose and a small mouth. It’s black and white. It has a short tail. It’s cute and lovely.