Which of the following correctly describes the oesophagus?

Food moves through the oesophagus under voluntary control

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Food enters the oesophagus from the pyloric region of the stomach

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It allows the passage of chyme

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It is a collapsible muscular tube extending from pharynx to stomach

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Solution

The correct option is D It is a collapsible muscular tube extending from pharynx to stomach
The oesophagus is a long, muscular tube that connects the mouth to the stomach. It's around 25cm (10 in) long in adults.
When you swallow food, the walls of the oesophagus squeeze together (contract).
This moves the food down the oesophagus to the stomach. Hence, the oesophagus is a collapsible muscular tube extending from pharynx to stomach.
So, the correct answer is ' collapsible muscular tube extending from pharynx to stomach'.

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