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Sound not only travels through bone, but bones
even help us hear!
Inside your ear are three tiny bones that help
convert air vibrations into sounds our brain can interpret. The bones in the
middle ear are called the hammer, anvil and stirrup, and they're the smallest
bones in the human body!
Ultrasound waves are too high for human ears to
hear, but they're used in medical equipment. Doctors use ultrasound waves
passing through bone to measure bone density and detect diseases.
Sound actually travels faster through solid
materials like bone or steel than it does through air.
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