The esophagus
A)secretes digestive enzymes from its mucosa.
B)is located anterior to the trachea.
C)opens to the stomach at the pyloric sphincter.
D)contains both smooth and skeletal muscle fibers.
E)is lined with pseudostratified ciliated columnar epithelium.

Question

Quizplus · Accepted Answer

The esophagus contains both smooth and skeletal muscle fibers, with skeletal muscle at the upper part and smooth muscle at the lower part, facilitating the movement of food to the stomach through peristalsis.

The Esophagus