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Functional nephron units use glomeruli and tubules to produce urine. The figure is taken from MedlinePlus, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

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Each human kidney contains roughly one million microscopic nephrons

Functional nephron units use glomeruli and tubules to produce urine

Nephrons are the microscopic structural units of the kidney. Each kidney contains approximately one million nephrons, consisting of a filtering glomerulus and a specialised renal tubule that balances water, mineral ions, and blood pH balance.

Human Kidney (NIH BioArt 229) — Courtesy of NIAID Ryan Kissinger · Public domain · source

Where this comes from

MedlinePlus

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Tags: kidneys, nephrons, anatomy

Each human kidney contains roughly one million microscopic nephrons: the short answers

Where does this come from, and can I check it?: Functional nephron units use glomeruli and tubules to produce urine. The figure is taken from MedlinePlus, 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.