Human Body

Bones and Muscles

What is the smallest bone in the body?

The stapes (stirrup) in the middle ear is the smallest bone in the body. It measures 1.02 to 1.34 inches (2.6 to 3.4 centimeters) and weighs 0.00071 to 0.0015 ounce (0.002 to 0.004 gram).


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