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Answer the following T/F questions regarding the structure and location of the esophagus.1) The esophagus extends from the nasopharynx to the stomach.2) The esophagus is about 25 meters long.3) The esophagus lies anterior to the trachea.4) The muscularis of the esophagus is different from other parts of the digestive tract because the superior part of the esophagus consists of skeletal muscle.5) The esophagus contains both an upper and a lower esophageal sphincter that regulates the movement of materials into and out of the esophagus.6) The esophagus contains numerous mucous glands that produce a thick, lubricating mucus that coats the inner surface of the esophagus.

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