What is the common name for the pharynx? Which two body systems share this structure?

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The pharynx is commonly called the throat. It serves as a shared passageway for both the digestive and respiratory systems: air moves from the nasal/oral cavities through the pharynx to the larynx and trachea for breathing, while food passes from the mouth into the pharynx and onward to the esophagus for digestion. Because it participates in both swallowing and breathing, the two systems that share this structure are the digestive and respiratory systems. The other options aren’t correct because the pharynx isn’t mainly the esophagus (that’s part of the digestive tract downstream) and it isn’t limited to a single system; it isn’t the circulatory system, and “nasal pharynx” refers to a region rather than the common name for the structure.