Eyes are the second most complex organ after the brain.

Eyes are the second most complex organ after the brain

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A single human hair can support up to 3kg

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

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The average person blinks 12 times a minute (bet you just blinked!)

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Each individual eye contains 107 million cells and all are light

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Our eyes are always the same size from birth, but our nose and ears

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If you placed all the capillaries in your lungs (of which there are