A fully grown adult dog has 42 teeth. A fully grown person has 32.
The average dog is thought to be about as intelligent as the average two year old child, according to research by leading animal psychologists in America. Dogs have no sense of time in the same way that we do, although their body clocks dictate their need for food and going to the toilet, which is why owners often think their dogs are responding to specific times of the day with a conscious awareness of time passed. Source: Pets4Homes