BMN 27
Jan 19
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Jan 19
The larynx, also known as the voice box, plays a crucial role in the respiratory system. Its main function is to protect the lower respiratory tract and facilitate the production of sound.
1. Protection: The larynx contains the epiglottis, a flap-like structure that prevents food and liquids from entering the trachea during swallowing. It closes off the trachea, directing the ingested material towards the esophagus, thus protecting the lungs from aspiration.
2. Phonation: The larynx houses the vocal cords, which are responsible for producing sound. When air passes through the vocal cords, they vibrate, producing different pitches and tones. The muscles in the larynx control the tension and position of the vocal cords, allowing us to speak, sing, and make various vocal sounds.
3. Regulation of airflow: The larynx helps regulate the flow of air in and out of the respiratory system. The muscles in the larynx can adjust the size of the glottis (the opening between the vocal cords), controlling the amount of air passing through. This is important for activities such as coughing, sneezing, and breathing control during physical exertion.
Overall, the larynx plays a vital role in protecting the airway, producing sound, and regulating airflow in the respiratory system.
1. Protection: The larynx contains the epiglottis, a flap-like structure that prevents food and liquids from entering the trachea during swallowing. It closes off the trachea, directing the ingested material towards the esophagus, thus protecting the lungs from aspiration.
2. Phonation: The larynx houses the vocal cords, which are responsible for producing sound. When air passes through the vocal cords, they vibrate, producing different pitches and tones. The muscles in the larynx control the tension and position of the vocal cords, allowing us to speak, sing, and make various vocal sounds.
3. Regulation of airflow: The larynx helps regulate the flow of air in and out of the respiratory system. The muscles in the larynx can adjust the size of the glottis (the opening between the vocal cords), controlling the amount of air passing through. This is important for activities such as coughing, sneezing, and breathing control during physical exertion.
Overall, the larynx plays a vital role in protecting the airway, producing sound, and regulating airflow in the respiratory system.
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