BMN 27
Jan 19
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Jan 19
The pharynx, also known as the throat, plays a crucial role in the respiratory system. Its main functions include:
1. Airway Passage: The pharynx serves as a common passage for both air and food. It connects the nasal cavity and mouth to the larynx and esophagus, allowing air to pass from the nose or mouth to the lungs.
2. Vocalization: The pharynx is involved in the production of sound and speech. It acts as a resonating chamber, modifying the sound produced by the vocal cords in the larynx to create different speech sounds.
3. Defense Mechanism: The pharynx contains specialized lymphoid tissue called the tonsils, which help in the immune defense against pathogens. The tonsils produce antibodies and help to trap and destroy bacteria and viruses that enter the respiratory system.
4. Swallowing: The pharynx plays a crucial role in the process of swallowing. It helps to propel food from the mouth to the esophagus, while simultaneously preventing the entry of food or liquid into the airway.
Overall, the pharynx acts as a vital passage for air, sound, and food, while also contributing to immune defense and swallowing functions.
1. Airway Passage: The pharynx serves as a common passage for both air and food. It connects the nasal cavity and mouth to the larynx and esophagus, allowing air to pass from the nose or mouth to the lungs.
2. Vocalization: The pharynx is involved in the production of sound and speech. It acts as a resonating chamber, modifying the sound produced by the vocal cords in the larynx to create different speech sounds.
3. Defense Mechanism: The pharynx contains specialized lymphoid tissue called the tonsils, which help in the immune defense against pathogens. The tonsils produce antibodies and help to trap and destroy bacteria and viruses that enter the respiratory system.
4. Swallowing: The pharynx plays a crucial role in the process of swallowing. It helps to propel food from the mouth to the esophagus, while simultaneously preventing the entry of food or liquid into the airway.
Overall, the pharynx acts as a vital passage for air, sound, and food, while also contributing to immune defense and swallowing functions.
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