what is the total length of our blood vessels?

Question

i heard that our total blood vessels is enough to encircle the world 2.5 times (about 100,000km), is it true? any source that says so?
and if so, how can we know the distance of the blood vessels from the heart to the eyes?

Answer 1

I've read 60,000 miles, which is 100,000 km. That's because we have so many capillaries. They're tiny, but they have to reach almost every cell in the body, so there are a lot of them.

We know the distance from the heart to the eyes, but we don't know which of the thousands of possible routes a particular blood cell will take to get there.

Answer 2

The human circulatory system has a fractal shape, like the limbs on a tree. There are a few large branches (carotid artery, femoral artery, etc.), which split up into smaller branches. Each smaller branch splits up again and again, until you're finally down to the diameter of a few red blood cells in the tiny capillaries. If you count the length of these millions of capillaries, and every other size vein and artery as well, you would come up with quite a large number.

However, I can neither confirm nor deny that it would be large enough to encircle the world 2.5 times.

Answer 3

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RE:
what is the total length of our blood vessels?
i heard that our total blood vessels is enough to encircle the world 2.5 times (about 100,000km), is it true? any source that says so?
and if so, how can we know the distance of the blood vessels from the heart to the eyes?