There are over 60,000 miles of arteries, veins and capillaries in the human body. If you took all of yours and laid them end-to-end,
You'd die.
Did you know that if all the capillaries of a human lung were rolled out onto a tennis court...
The game would likely be cancelled
"If you removed all the arteries, veins, & capillaries from a person's body, and tied them end-to-end, the person will die." -- Neil deGrasse Tyson
https://twitter.com/neiltyson
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