Blood Vessels Around the World (WFOTD)
Posted By Ben Goulding, 10 March, 2010 | permalink
If you could take all of your blood vessels and lay them end-to-end, they would stretch approximately 60,000 miles (96,500 kilometers) – that’s two times around the world! It would take four average human’s blood vessels to stretch all the way to the moon though.
There’s a challenge for you!
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- Water is Found on the Moon
- How Long Can You Hold Your Breath? (WFOTD)
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