Which statement about the esophagus is TRUE? Select all that apply

D: Upper and lower esophageal sphincters, located at the upper and lower ends of the esophagus, respectively, regulate the movement of food into and out of the esophagus. A: The esophagus is a muscular tube, lined with moist stratified squamous epithelium. B: It extends from the pharynx to the stomach. It is about 25 centimeters (cm) long. C: It lies anterior to the vertebrae and posterior to the trachea within the mediastinum.