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Try saying “toy boat” three times fast. By the time you’re done, the words will be all distorted. It’s a classic tongue twister.

Your tongue ultimately carves and polishes sounds into words.But as agile as it is, your tongue has its limitations. Which leads us to the question, is it your tongue or your brain that is actually responsible for our inability to articulate tongue twisters? And exactly why can’t you say “toy boat” three times fast, regardless of which is responsible? Find out in this article.

Full article at HowStuffWorks.com.

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