The document discusses teeth and their functions. It explains that teeth are used for cutting and chewing food to start the digestive process. It describes the different types of teeth in humans and other animals, including incisors, canines, premolars and molars. It provides some facts about teeth, such as elephants having four sets of teeth and dolphins having over 200 teeth. The document also discusses what happens when children's teeth fall out and donating milk teeth to an art project called the Palaces Project.