In the Middle of the Thoracic Cavity Is a Region

question 133

Multiple Choice

In the middle of the thoracic cavity is a region occupied by the heart, great vessels, thymus, esophagus, and trachea called the

• A) pleural space.
• B) pericardial space.
• C) mediastinum.
• D) cardiac notch.
• E) ventral cavity.

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