The ear is a sensory organ that detects sound waves and allows us to hear. It is also necessary for our sense of balance: the vestibular system is located inside the inner ear. The inner ear is divided into two sections. The hearing portion is the cochlea, and the balance portion is the semicircular canals.
A membrane divides the cochlea, which is shaped like a snail, into two chambers. The auditory nerve, the eighth cranial nerve, runs from the inner ear to the brain. This nerve transmits information about balance and hearing to the brain. The inner ear, commonly known as the labyrinth of the ear.
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