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Mar 3
1. Swallowing: The pharynx plays a crucial role in the process of swallowing food and liquids. It helps to propel the food from the mouth to the esophagus.
2. Breathing: The pharynx also serves as a passageway for air to travel from the nose and mouth to the lungs. It helps to regulate airflow and prevent food or liquid from entering the respiratory system.
3. Speech: The pharynx is involved in the production of speech sounds by modifying the airflow from the lungs as it passes through the vocal cords.
4. Immune defense: The pharynx contains lymphoid tissue that helps to protect the body from infections by trapping and destroying pathogens that enter through the nose and mouth.
5. Temperature regulation: The pharynx helps to regulate the temperature of the air that enters the respiratory system by warming or cooling it as needed.
6. Mucus production: The pharynx produces mucus to help moisten and lubricate the throat, making it easier to swallow and speak.
7. Filtering: The pharynx acts as a filter, trapping particles such as dust, pollen, and bacteria that enter the respiratory system and preventing them from reaching the lungs.
8. Pressure regulation: The pharynx helps to regulate pressure in the middle ear by connecting the nasal cavity to the Eustachian tube, allowing for equalization of pressure during changes in altitude or when swallowing.
2. Breathing: The pharynx also serves as a passageway for air to travel from the nose and mouth to the lungs. It helps to regulate airflow and prevent food or liquid from entering the respiratory system.
3. Speech: The pharynx is involved in the production of speech sounds by modifying the airflow from the lungs as it passes through the vocal cords.
4. Immune defense: The pharynx contains lymphoid tissue that helps to protect the body from infections by trapping and destroying pathogens that enter through the nose and mouth.
5. Temperature regulation: The pharynx helps to regulate the temperature of the air that enters the respiratory system by warming or cooling it as needed.
6. Mucus production: The pharynx produces mucus to help moisten and lubricate the throat, making it easier to swallow and speak.
7. Filtering: The pharynx acts as a filter, trapping particles such as dust, pollen, and bacteria that enter the respiratory system and preventing them from reaching the lungs.
8. Pressure regulation: The pharynx helps to regulate pressure in the middle ear by connecting the nasal cavity to the Eustachian tube, allowing for equalization of pressure during changes in altitude or when swallowing.
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