Question

1] The oesophagus and trachaea open into the ________________ .​

Answer 1

Explanation:

The oesophagus is a collapsible muscular tube that serves as a passageway between the pharynx and stomach. As it descends, it is posterior to the trachea and anterior to the vertebral column. It passes through an opening in the diaphragm, called the esophageal hiatus, and then empties into the stomach.