On average, you will blink approximately 4,200,000 times in a single year.

On average, you will blink approximately 4,200,000 times in a single

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Human Body Facts

When you’re born, your head is around a quarter of the length of your

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The pressure created by your heart can squirt blood almost ten metres

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Doctors have yet to find a way to transplant an eyeball. The optic nerve

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Only 1/6 of the human eyeball is exposed

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The only part of the body that has no blood supply is the cornea of the

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Your eyes can distinguish approximately 10 million different colors