Dogs are generally covered with hair and consist of head, neck, body, tail and limbs. The front end is the head, which can be divided into forehead and face with two eyes as the boundary. The forehead is short, above the head, and there is a developed brain inside. The face is long and protrudes forward into the nose and mouth. The dog's nose is particularly long, accounting for about 2/3 of the face. The olfactory nerve in the nose is extremely developed, and the olfactory cells are densely distributed in the nasal cavity, so the sense of smell is very sensitive.

Habits

1. Dogs are carnivores, and dogs like to chew bones. When feeding, you should always give it some dog bones ("dog bites dog bones", you can't feed other poultry bones, and you'd better not feed the bones of pigs and cows, otherwise you may choke) to facilitate grinding your teeth.

2. Dogs have unique self-defense ability. After eating toxic food, they can cause vomiting reaction and spit out toxic food.

3. In hot summer, the dog's mouth is wide open and its tongue is long, and it dissipates heat by evaporation of water in saliva.

4. When dogs live in groups, they also have a "hierarchy" and a master-slave relationship. Establishing such an order can maintain the stability of the group and reduce the fighting caused by the competition for food and living space.

5. When the dog is lying down, he always turns around to see if there is any danger around, and then he will sleep peacefully after making sure there is no danger.

6. The dog's code of conduct towards strangers is to judge the strength of his opponent according to the height of his sight. When a stranger approaches, the oppressive feeling of coming down from above will make him uneasy. If you adopt a low posture, he will accept you. If it is lower than the height seen by its eyes, it will make it more secure. The dog's weakness is on the right, and it will act to protect the right. When it is cornered, it will put its right side against the wall and its left side facing the enemy. A dog shows its belly to others as a sign of obedience and surrender.

6. In terms of memory, it seems that dogs will never forget the voice of people who have been close to them, and at the same time remember the places where they lived.

7. Dogs like to smell anything. Smell territory marks: new food, poison, feces, urine, etc. When a dog is roaming outside, we often see it constantly urinating or squatting down and scattering its feces on the road. This is how it walks by these "smelly marks".

8. Dogs like to chase creatures. Such as chasing rabbits, cats and sheep. People use this characteristic of dogs to drive away sheep and cattle and protect themselves.

9. The dog's tail movement is also a kind of "language". Generally, when you are excited or happy to see your master, you will shake your head and wag your tail. The tail not only swings from side to side, but also keeps spinning. The tail is tilted up to show joy; A drooping tail means danger; The tail does not move, showing anxiety: the tail is picked up, indicating fear; Shake your tail quickly and horizontally, symbolizing friendliness.