__regulates the opening of oesophagus into the stomach.

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.

Which muscle regulates the opening of ocsophagus into the stomach?

Write the function of oesophagus?

Write short notes on oesophagus

Assertion: Each stoma is composed of two bean shaped cells known as guard cells. Reason: Guard cells regulate the opening and closing of stomata.

Explain the digestion in the stomach.

What are the layers of the alimentary canal from oesophagus to rectum?

_________ is not related to the stomach.

In rabbit, oesophagus opens into the stomach followed by large intestine.