ELI5 - Blood vessels in the human body
Is it true that if our blood vessels were laid out straight, they would be 60,000+ miles long? How is that possible, and how does it all fit?
u/Level_Impression7197 — 3 months ago
Is it true that if our blood vessels were laid out straight, they would be 60,000+ miles long? How is that possible, and how does it all fit?