Interesting Facts about the Esophagus?

Answer

The esophagus is the medical name for the muscular tube used as part of the respiratory and the digestive system. An interesting fact about the esophagus is that mucus in the tube helps to let food particles pass down safely. Glands in the esophagus help to make sure the esophagus is always coated. Also, the esophagus is only about 10 inches long and only about an inch in diameter. Peristalisis is the reason why humans are able to stand on their heads and eat or drink and still have materials move down the esophagus.
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