The oesophagus is a thin, long tube which extends `_____________` passing through the neck .

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.

The gas which gives benzene on passing through a red hot tube is :

What is the deviation produced by a thin lens of a ray passing through the optical centre?

Identify the correct statements from the below . (I) Oesophagus is a thin long muscular tube. (II) A cardiac sphincter (gastro oesphageal sphincter) regulates the opening of oesophagus into the stomach . (III) The oesophagus and the trachera (wind pipe) open into the pharynx. (IV) Two masses of lymphoid tissue called tonsils are also located at the sides of the pharynx.

The successive waves of muscular contraction by which bolus passes down through the oesophagus is called ……….

Neck of camel is long due to

Neck of camel is long due to