What is Vestibular system?

What is Vestibular system?

Vestibular system is a sensory system inside our ears that helps in estimating body position and motion. It help us to orient in space and being able to walk upright. It is comprised of 6 oval shaped tubes called Semicircular canals and 2 bag like structures called Otolith.  The semicircular canals provide sensory input about head velocity- angular acceleration. The otoliths provide inputs about linear acceleration.

It is also comprised of a nerve called Vestibular nerve which runs closely to the auditory nerve. These nerves carry the sensory input from ear to the brain about the head position in space and auditory signals respectively.

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