Mondo Knows Facts

The stapedius is the smallest muscle in the human body

Measuring barely over one millimetre this tiny muscle protects inner ear hearing

Measuring just over one millimetre in length, the stapedius muscle sits inside the middle ear connected to the stapes bone. When exposed to loud noises, it contracts automatically to dampen sound vibrations, helping protect delicate inner ear structures from auditory damage.

Where this comes from

Encyclopaedia Britannica

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Tags: muscles, ear, hearing

The stapedius is the smallest muscle in the human body: the short answers

Where does this come from, and can I check it?
Measuring barely over one millimetre this tiny muscle protects inner ear hearing. The figure is taken from Encyclopaedia Britannica, 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?
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