Which of the following is NOT part of the inner ear?

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Multiple Choice

Which of the following is NOT part of the inner ear?

Explanation:
The inner ear is made up of structures involved in hearing and balance, specifically the cochlea for turning sound into nerve signals, the semicircular canals for sensing head movement, and the vestibular apparatus for balance and spatial orientation. The eardrum, or tympanic membrane, sits at the boundary between the outer ear and the middle ear. Its function is to vibrate in response to sound waves and to transmit those vibrations to the small bones in the middle ear. Because it belongs to the outer/middle ear regions rather than the inner ear, it is not part of the inner ear.

The inner ear is made up of structures involved in hearing and balance, specifically the cochlea for turning sound into nerve signals, the semicircular canals for sensing head movement, and the vestibular apparatus for balance and spatial orientation. The eardrum, or tympanic membrane, sits at the boundary between the outer ear and the middle ear. Its function is to vibrate in response to sound waves and to transmit those vibrations to the small bones in the middle ear. Because it belongs to the outer/middle ear regions rather than the inner ear, it is not part of the inner ear.

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