Animal Facts: Snake Teeth

Did you know that most species of snakes of six rows of teeth? They have two rows of teeth on their upper jaw and four rows of teeth on the bottom.

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And while all snakes have teeth, not all snakes have what are classified as fangs. Fangs are long, hollow teeth that emit poison, which means only venomous snakes have them. Some snakes have fangs that can fold back into their mouth so they don't bite themselves.