balance nerve semicircular canals auditory nerve cochlea

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Presentation transcript:

balance nerve semicircular canals auditory nerve cochlea The section of the ear that you are probably least familiar with is the inner ear. balance nerve semicircular canals The inner ear is composed of 4 main parts: auditory nerve - cochlea cochlea - auditory nerve - semicircular canals - balance nerve

The sound wave energy from the middle ear bones causes fluid inside the cochlea to move. Source: Promenade ‘round the Cochlea Owner: Mireille Rebillard cochlea The moving fluid causes hair cells in the cochlea to make electrical impulses.

auditory nerve cochlea The auditory nerve is connected to the cochlea. It carries these electrical sound impulses to the brain. auditory nerve The brain interprets the impulses as sounds. cochlea

semicircular canals cochlea The semicircular canals are connected to the cochlea. semicircular canals They help you keep your balance and let you know which way your head is moving. cochlea

cochlea semicircular canals balance nerve auditory nerve balance nerve The balance nerve sends this balance information to the brain. cochlea semicircular canals balance nerve auditory nerve balance nerve 8th cranial nerve The balance nerve and the auditory nerve combine to form the 8th cranial nerve. auditory nerve

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