Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Ants tend to survive in a microwave because they find the coolest spot and wait!
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Female kangaroos have three vaginas.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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