What is the name of structure B in the image below?

Structure B in the Image

The image below shows a section of the human digestive system. Structure B is highlighted and labeled for identification. Among the options given - pharynx, esophagus, trachea, and stomach - structure B represents the esophagus.

The esophagus is a muscular tube that connects the throat (pharynx) with the stomach. It plays a crucial role in transporting food and liquids from the mouth to the stomach for further digestion.

The answer is B: esophagus.