Esophagus
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Example:
Imagine trying to send a marble down a narrow, flexible tube without letting it bounce out. In the same way, the esophagus functions as a muscular tube that efficiently guides food from the mouth to the stomach, preventing it from going astray. Just as the tube directs the marble to its destination using its contours, the esophagus uses rhythmic muscle contractions to ensure the food smoothly reaches the stomach, much like guiding an object through a pathway.
Practice Version
Esophagus: The muscular tube connecting the mouth to the stomach. Esophagus. The esophagus is a tube that moves food from your mouth to your stomach.