Structure of Stomach |Oesophagus

Stomach has major portions. In which portion of stomach does the oesophagus open?

Assertion: The oesophagus is a thin. long tube which extends anmeriorly passing through the neck, thorax and diaphragm and leads to a J shaped bag like structure called stomach Reason: Stomach has three major parts-a fundic portion into which the oesophagus open, a cardiac region and pyloric portion which opens into the first part of small intestine.

State the function of oesophagus

Tube-like structure that connects mouth to oesophagus is called

The structure of the compound which enters the stomach and secretes which causes pain and irritation in the stomach is