​How Your Blood Vessels Can Wrap Around Earth 4 Times! 🌍

追加: 2026-05-16

[00:00:00]If you somehow removed all of the blood vessels in your body and tied them together, you might [music] think it would be about this long. Zooming into the liver tissue, we observe the intricate network of the vascular system. Thousands of microscopic vessels branch and weave throughout the organ.

[00:00:16]And with all of them combined, if you started in New York, your blood vessels would make it all the way to the Grand Canyon.

[00:00:24]It would go on to reach all the way across the Pacific Ocean, over Japan, Asia, and all of Europe.

[00:00:32]And not only would it make it all the way back to your starting point, but it would be able to make this trip two to four times over.