• The earlobe collects sounds. Sound waves travel along the ear canal to the eardrum.
• Sound waves cause the eardrum to vibrate.
• The ossicles transmit vibration to the cochlea of the inner ear.
• The hair cells of the cochlea are stimulated by the vibration.
• The resulting impulses travel along the auditory nerve into the auditory area of the brain.
• The sensation of hearing is created in the brain.
• Keywords: outer ear, middle ear, inner ear, eardrum, cochlea, hearing.