In your lifetime you will produce around 10,000 gallons of saliva.

In your lifetime you will produce around 10,000 gallons of saliva

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The entire length of all the eyelashes shed by a human in their life is

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Some people are born with two differently colored eyes. This condition

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An eye cannot be transplanted. More than 1 million nerve fibers connect

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If the human eye was a digital camera, it would have 576 megapixels

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Each individual eye contains 107 million cells and all are light

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The largest cell in the human body is the female egg, and the smallest