Which part in the human ear helps to detect sound vibrations and convert them to nerve impulses?

Hammer

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Stirrup

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Oval window

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Cochlea

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Solution

The correct option is D Cochlea
The middle ear transmits the sound waves to the cochlear fluid present in the inner ear or cochlea. The cochlea amplifies these sound vibrations in the cochlear fluid with the help of organ of Corti present along it and send the signals to the brain that interprets it. Thus the correct answer is option D.

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Similar questions

Sound is produced by vibration. To detect sound, some part of our ear should also vibrate when sound strikes it. Which part of the ear is this and how does it help us in hearing the sound?

Q. Identify the sequence in which the sound vibrations reach the brain:

\begin{matrix} Parts & Function (a) External ear & (i) Amplifies the vibrations received on the tympanic membrane. (b) Middle Ear & (i i) Converts the vibrations into nerve impulses and sends them to brain. (c) Inner Ear & (i i i) Directs the sound waves towards the tympanic membrane. \end{matrix}

Q. The part of the ear that transmits sound vibrations to the brain is the
(a) cochlea.
(b) stirrup.
(c) eardrum.
(d) auditory nerve.

Match the following parts of the ear with functions

Column 1 Column 2

1. Pinna 1. Collects Vibrations in the air

2. Cochlea 2. Region between Pinna and eardrum

3. Meatus 3. Transfers vibrations to ear ossicles

4. Tympanic membrane 4. Translates sound to nerve impulses

5. Eustachian tube 5. Equalises pressure between the inner

and outer ear

Q. Put these terms, which describe the way sound travels from the air through your ear, in the correct sequence:
three tiny bones in the middle ear vibrate;your outer ear catches the sound and moves it inside your ear; a special nerve carries messages about sound to your brain; your eardrum begins to vibrate; liquid in the coiled tube of your inner ear vibrates

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