Sound waves from outside enters the ear through the pinna and travel through the ear canal to reach the ear drum. The ear drum vibrates and passes the vibrations to the inner ear through the ear bones/ossicles. The inner ear consists of the vestibule and the cochlea. The former is associated with balance. The latter is associated with hearing. Hair cells in the cochlea converts the vibrations to electrical signals that are transferred to the primary auditory center in the temporal lobe of the cerebral cortex where the sound is deciphered and interpreted. Hearing with both ears, called binaural hearing helps with differentiating distance between two or more sources of sounds and the location of sounds.
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