The dog is a very faithful, pet animal. It is a four-footed pet animal. It has two eyes, two ears, sharp teeth and a short tail. It has four thin legs. They help them to runs very fast. It eats many things like meat, fish, milk, vegetables, rice and etc. It is a very intelligent animal. It generally watches its owner house. They always remain obedient and faithful to their owner. They sometimes save lives of their owner. Thieves, notorious criminals are able to arrest with the help of a dog. It is most useful friends of humankind. There is no other animal like it.