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Human Anatomy: Ear Structure and Function

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Questions and Answers

What part of the ear is responsible for directing sound waves into the auditory canal?

Cochlea
Malleus
Eardrum
Pinna (correct)

Which structure in the middle ear connects the eardrum to the oval window?

Auditory Canal
Stapes (correct)
Incus
Cochlea

What is the primary role of the organ of Corti within the cochlea?

Amplifies sound waves
Divides the cochlea into chambers
Transmits vibrations to the oval window
Converts sound vibrations into neural messages (correct)

What is the function of the hair cells located on the basilar membrane?

<p>Vibrate in response to sound (A)</p> Signup and view all the answers

Which of the following best describes the function of the oval window?

<p>Transmits vibrations from the middle to the inner ear (B)</p> Signup and view all the answers

Flashcards

Outer Ear Part

The visible part of the ear (the pinna) and the auditory canal that catches and directs sound waves to the eardrum.

Eardrum Function

Vibrates in response to sound waves, transferring these vibrations to the middle ear.

Middle Ear Bones

Malleus, incus, and stapes; they amplify and transmit vibrations from the eardrum to the inner ear.

Cochlea Function

A snail-shaped structure in the inner ear filled with fluid that transforms sound vibrations into neural signals.

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Hair Cells Role

Specialized cells within the cochlea that are triggered by vibrations, generating neural signals that travel to the brain.