Q: The esophagus runs a mainly straight route through the mediastinum of what?


Read this paragraph and choose the correct option from the provided answers:

Figure 23.13, the esophagus runs a mainly straight route through the mediastinum of the thorax. To enter the abdomen, the esophagus penetrates the diaphragm through an opening called the esophageal hiatus.

 Choices:

- liver

- lungs

- stomach

- thorax


A:
thorax