How long is the esophagus in adult humans?

The esophagus in adult humans is typically about twelve inches long, which is approximately 30 centimeters. This muscular tube connects the throat (pharynx) with the stomach and plays a crucial role in the digestive process by transporting food and liquids from the mouth to the stomach. The length of the esophagus allows it to facilitate the passage of food efficiently, making it an essential component of the gastrointestinal tract.

While other options suggest shorter lengths, they do not accurately reflect the standard anatomical measurement of the esophagus in an adult human. In understanding the structure and function of the esophagus within the digestive system, it is important to recognize its proper length for a comprehensive grasp of human anatomy and physiology.