larynx
voice box
The larynx is a part of the respiratory system responsible for producing sound. Also known as the voice box, it is located in the throat and is composed of cartilage and muscles. The larynx contains the vocal cords which vibrate to create sound when air passes through them when we breathe. The size of the larynx varies depending on the individual’s gender, age, and size.
The larynx plays an important role in protecting the lungs from foreign materials such as food and drink from entering the trachea and ultimately the lungs. When we swallow, a flap called the epiglottis closes over the larynx to prevent these materials from entering the airway.
In addition to its role in speech and airway protection, the larynx also plays a role in regulating breathing. The muscles in the larynx are responsible for controlling the opening and closing of the glottis, which helps to control the flow of air in and out of the lungs.
Disorders of the larynx can lead to problems with speech, swallowing, and breathing, and may include conditions such as laryngitis, vocal cord nodules, and cancer of the larynx. Treatment for these conditions may include medication, speech therapy, or surgical intervention.
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