A TRNIO Model

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The human ear is a complex organ that plays a crucial role in our ability to hear and maintain balance. It consists of three main parts: the outer ear, middle ear, and inner ear. The outer ear, also known as the pinna or auricle, collects sound waves and directs them into the ear canal. The middle ear contains the eardrum and three tiny bones called ossicles that transmit vibrations to the inner ear. The inner ear is responsible for converting these vibrations into electrical signals that are sent to the brain via the auditory nerve. This process enables us to perceive sound, music, and speech. In addition to its role in hearing, the inner ear also contains structures known as the vestibular system, which helps us maintain our balance and orientation in space.