An eye is composed of more than 2 million working parts.

An eye is composed of more than 2 million working parts

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We have two eyeballs in order to give us depth perception – comparing

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The human eye weights approximately just under an ounce and is about an

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The average ejaculation releases around three hundred million sperm

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The human eye can see 500 shades of grey

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You actually have two pairs of nostrils! The other pair is at the back