Share Hearing and Ear Structure
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Sound waves enter the ear through the __.
outer ear or pinna
The __ is responsible for transforming vibrations into electrical signals.
cochlea
The three small bones in the middle ear are collectively known as the __.
ossicles
Vibrations from the eardrum are transferred to the __.
ossicles
The __ sends electrical signals to the brain.
auditory nerve
Which part of the ear contains the cochlea?
Inner ear
Describe the role of the eardrum in the hearing process.
The eardrum vibrates when sound waves hit it, and these vibrations are essential for transferring sound energy to the middle ear, where they are amplified by th
How do the ossicles contribute to our ability to hear?
The ossicles, consisting of the malleus, incus, and stapes, amplify the vibrations from the eardrum and transmit them to the cochlea in the inner ear.
receptors that extend into endolymph of cochlea and move in response to vibrations
hair cells
The more the hair cells are pushed against the tectorial membrane the ____the sound is
louder
connects middle ear to throat, allows air to pass between tympanic cavity and outside, maintains pressure
Eustachian (adutory) tube
