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Cheetahs have long bodies because it helps with speed. When a cheetah runs, it arches its back and puts the hind paws down in front of the forepaws. Then when it pushes off and goes into full stretch, it gets a very long stride. There is a limit to how fast muscles can move, so to get to the speed at which cheetahs run, it has to have a really long stride.

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∙ 11y ago
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