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explain how human ear work?

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explain how human ear work?

    • Posted by Karan Rajiv 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Vedant Pillai 7 years, 3 months ago

    the outer ear or pinna helps to collect sound and passes to the middle ear. In the middle ear, the ear canal passes the sound to the ear drum. The ear drum vibrates and vibrates as the sound is emitted by the source and passes the vibration to hammer. Hammer passes the vibration to anvil and anvil passes the vibration to stirrup. Stirrup passes it to cochlea which passes it to auditory nerves which changes these vibrations into electric signal and passes it to the brain. The brain interprets these vibrations into sound.

    0Thank You

    Yogita Ingle 7 years, 3 months ago

    Working of Human Ear

    • Sound waves are collected by the pinna and then are directed through ear canal sound waves on striking the eardrum make it vibrate exactly the same way as the given sound emitting object.
    • The bones in thge middle ear start vibrating when eardrum  vibrates. It helps in magnifying the vibrations. When the magnified vibrations reach the cochlea in the inner ear, the fluid in it starts vibrating.
    • These vibrationsare picked up by sensory receptors and are converted into electrical signals.
    • These electrical signals then travel to the brain which interprets sound.

    1Thank You

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