Chapter 1
The outer and middle ear
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Chapter 2
The inner ear and the brain
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Chapter 3
The balance system
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Chapter 4
Hearing health and sound limits
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YOUR GOAL
Master of The human ear
Ch 1 · The outer and middle ear
artiteacher The outer and middle ear
Malleus and incus, / tapping on the stapes, / turn the whisper up!
Fun Fact
Ear bone size: The three bones of the middle ear can all fit together on the surface of a single dime.
Glossary
tympanic membrane (noun)
A thin, semitransparent membrane separating the external ear canal from the tympanic cavity that vibrates in response to sound waves. Hermann von Helmholtz analyzed its mechanical transformer action in his 1869 treatise.
A thin, semitransparent membrane separating the external ear canal from the tympanic cavity that vibrates in response to sound waves. Hermann von Helmholtz analyzed its mechanical transformer action in his 1869 treatise.
Quiz
By approximately how many times do the middle ear bones amplify sound pressure?