Where does this come from, and can I check it?

Stretching capilliaries arteries and veins end to end totals 100,000 kilometres. The figure is taken from Natural History Museum, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a human body fact?

Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Human blood vessels could circle the Earth two and a half times

Stretching capilliaries arteries and veins end to end totals 100,000 kilometres

If all arteries, veins, and microscopic capillaries in an adult body were laid out end to end, they would extend roughly 100,000 kilometres. Microscopic capillaries account for most of this length, bringing blood into close proximity with nearly every tissue cell.

Human eye with blood vessels — ROTFLOLEB · CC BY-SA 3.0 · licence · source

Where this comes from

Natural History Museum

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Tags: blood, vessels, circulatory system

Human blood vessels could circle the Earth two and a half times: the short answers

Where does this come from, and can I check it?: Stretching capilliaries arteries and veins end to end totals 100,000 kilometres. The figure is taken from Natural History Museum, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a human body fact?: Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.