Fill in the blanks: The , , and give proper shape to our face. , , and are the four types of teeth. is the hardest substance in the human body. Smaller pieces are easier to and food. We should alway

Here are the answers to the fill-in-the-blanks:

1. Cranium, Mandible, Maxilla, and Zygomatic bones give proper shape to our face.
2. Incisors, Canines, Premolars, and Molars are the four types of teeth.
3. Enamel is the hardest substance in the human body.
4. Smaller pieces are easier to chew and swallow food.
5. We should always eat slowly and grind our food.