UPJOKE
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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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