Mondo Knows Facts

The human bladder can expand to hold up to half a litre of urine

Elastic muscular walls stretch as fluid collects prior to urination

The urinary bladder is a hollow elastic organ lined with transitional epithelium. As urine accumulates from the kidneys, bladder walls expand comfortably to hold 400 to 600 millilitres of fluid before stretch receptors signal the brain to initiate urination.

Where this comes from

MedlinePlus

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Tags: bladder, urinary, organs

The human bladder can expand to hold up to half a litre of urine: the short answers

Where does this come from, and can I check it?
Elastic muscular walls stretch as fluid collects prior to urination. 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.