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Like all reptiles, lizards are cold-blooded. Cold-blooded means that the lizard can not generate its own heat. Mammals are warm-blooded, meaning we can generate our own heat and maintain body temperature levels at a perfect condition without having to use something else to keep us at a good temperature range. Lizards go in the sun so they can warm themselves because their blood cannot maintain heat to keep the body from freezing.

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16y ago

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