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Lizards have a typical reptilian brain, which is more advanced with a larger cerebrum and cerebellum than that of amphibians or fishes.
Lizards have a typical reptilian brain, which is more advanced with a larger cerebrum and cerebellum than that of amphibians or fishes.
* '''Brain''' - small, not exceeding 1% of the body mass; it has 12 paires of cranial nerves.
* '''Brain''' - small, not exceeding 1% of the body mass; it has 12 pairs of cranial nerves.
* '''Spinal Cord''' - differs from that of mammals in that it extends to the tail tip.
* '''Spinal Cord''' - differs from that of mammals in that it extends to the tail tip.