6 Weird Facts About Your Body | National Geographic

About 10,000 human cells can fit on the head of a pin—that and five other facts about the human body.

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6 Weird Facts About Your Body | National Geographic

National Geographic

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"If you removed all arteries veins & capillaries from a person's body & tied them end-to-end then...that person would die." —Neil Tyson

[jompeter]

0:15 that's solid advice for future serial killers

[cybercat]

So many "you'd be dead" jokes there.

[Dajen_Tk]

I find the first one very hard to believe.

[zer]

That one was weird and disgusting and fascinating.

[nesseihtgnay]

your blood vessels and cant warp the earth 4x? bullshit