Question

what is the primary function of the esophagus?
to connect the mouth to the stomach
to facilitate water absorption
to absorb essential nutrients

Explanation:

The esophagus is a muscular tube in the digestive system. Its main role is to transport food and liquids from the mouth to the stomach. Water absorption is mainly done by the large intestine, and nutrient absorption is by the small intestine. So the correct option is the one stating it connects the mouth to the stomach.

Answer:

A. to connect the mouth to the stomach