What is the name of the tube that extends from the pharynx to the stomach?

The tube that extends from the pharynx to the stomach is known as the esophagus. This structure serves an essential function in the digestive system by transporting food and liquids that have been swallowed from the throat to the stomach for further digestion. It is a muscular tube that uses rhythmic contractions, known as peristalsis, to move food downwards.

In contrast, the trachea is the air passage that leads to the lungs and is not involved in the digestive process. The intestine refers to parts of the digestive system where further digestion and absorption occur after the esophagus has transported food to the stomach. The uvula, on the other hand, is a small, fleshy extension at the back of the throat that plays a role in speech and the gag reflex, but does not function as a conduit for food. Thus, the esophagus is the correct answer, as it is specifically aligned with the role of connecting the pharynx to the stomach in the digestive pathway.