Some animals can regenerate entire body parts.
Fact #2057
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More Human Body Facts
The axolotl can regenerate limbs and spinal tissue.
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A sloth can take up to a month to digest a single meal.
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A gecko can climb vertical surfaces using microscopic hairs on its feet.
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The fennec fox has large ears that help dissipate heat.
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The barreleye fish has a transparent head and upward-facing eyes.
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Some fish can learn by observing other fish.
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The Earth is not perfectly round.
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Pacemakers help regulate abnormal heart rhythms.
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