Science Trek

D4K: Teeth Video Short

Clip: Special | 3m 19s

Teeth start forming before you are born and continue to develop until you are an adult. By the time you are an adult, you should have 32 teeth. The enamel is the white covering on the top of your teeth, and it is the hardest substance in your whole body. Different kinds of animals have different types of teeth depending on their diet. Humans are omnivores, meaning we eat meat, fruits and veggies,

Aired: 02/19/08

Rating: TV-G

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