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

Options

A. anterioly
B. posteriorly
C. horizontaly
D. obliquely

Answer

**Step-by-Step Solution:**

1. **Identify the Structure**: The oesophagus is described as a thin, long tube in the human body.

2. **Determine the Direction of Extension**: The oesophagus extends from the throat area downwards.

3. **Consider the Anatomical Position**: In anatomical terms, the oesophagus runs posterior to the trachea (windpipe) and extends downwards towards the thorax.

4. **Conclude the Direction**: Based on the anatomical position and the description, the oesophagus extends **posteriorly** through the neck.

5. **Final Answer**: The oesophagus is a thin, long tube which extends **posteriorly** passing through the neck.

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