We rarely think about how interesting and unique our bodies are. Did you know, for example, that your brain holds about 25 million gigabytes? Or that we do have a 6th sense? Or that by adulthood, you produce about half a teaspoon of tears a day?  The longer humankind lives, the more secrets people discover about one of the most mysterious organisms: the human body. We mostly learn facts we never expected. And the more facts we gather about ourselves, the more discoveries we want to make. So let's find out the coolest aspects of the human body.

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