'Hearing aids nc' diaporamas de présentation

The Process of Hearing and the evaluation of hearing loss

A child learns by hearing. Like the other four senses, hearing is essential for an infant, a child, a youth, and an adult. The process of hearing starts with the sound waves entering the external and visible portion of the ear and then channeling through the auditory canal which is structured like a tube. It has tiny hairs and tiny glands which make wax inside the ear.

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