13. Humans are bio-luminescent and glow in the dark. The light that we emit is 1,000 times weaker than our human eyes are able to pick up.
14. One day, your blood travels 12,000 miles around your body. That’s four times the distance across the US from coast-to-coast.
15. When awake, the human brain which uses 20 percent of your bodies oxygen produces enough electricity to power a small light bulb.
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