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

Please note that this site uses cookies to personalise content and adverts, to provide social media features, and to analyse web traffic. Click here for more information.