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The esophagus is a tube that starts in the laryngopharynx and extends to thestomach. It is 25 cm long and lies in the thorax.

The mediastinum is in the middle of thethorax. The mediastinum is divided into theanterior, middle and posterior mediastinum. The esophagus lies in the posterior mediastinum, on theback side of the heart. It penetrates the diaphragm at the thoracic vertebra 10 and then join the upper end of stomach. Its function is to transfer food and water to the stomach from the mouth for digestion.

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Is the esophagus a part of the gastrointestinal tract?

The liver provides a very important function for the gastrointestinal tract as it breaks detoxifies chemicals and metabolizes drugs to be used by the body. It also creates proteins for use in other parts of the body.


What body system is the esophagus from?

The esophagus is part of the digestive system. It is a muscular tube that connects the throat (pharynx) with the stomach, allowing food and liquids to pass through for digestion.


Has regions called the cardia fundus body and pylorus?

Yes, the stomach has regions known as the cardia (where the esophagus joins the stomach), fundus (upper part of the stomach), body (main central part of the stomach), and pylorus (lower part that connects to the small intestine). Each of these regions serves specific functions in the digestion process.


What is the main difference between esophagus and the trachea?

The trachea is a part of the respiratory system while the esophagus forms part of the digestive system. Since they belong to different systems, they perform separate functions. The trachea is larger and carries gasses in and out of the lungs. The esophagus is smaller and carries food from the mouth to the stomach.


Is the esophagus is involved in chemical digestion?

The esophagus is not directly involved in chemical digestion. Its main function is to transport food from the mouth to the stomach using peristaltic contractions. Chemical digestion primarily occurs in the stomach and small intestine, where enzymes break down food into nutrients that can be absorbed by the body.