Which cavity contains the heart and major vessels within the thorax?

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Multiple Choice

Which cavity contains the heart and major vessels within the thorax?

Explanation:
The heart and major vessels are located in the mediastinum, the central compartment of the thoracic cavity. This area houses the heart, great vessels (like the aorta and vena cavae), and other midline structures. The pleural cavities surround the lungs, not the heart, and the abdominal cavity lies below the diaphragm. So the heart and its major vessels reside specifically in the mediastinum.

The heart and major vessels are located in the mediastinum, the central compartment of the thoracic cavity. This area houses the heart, great vessels (like the aorta and vena cavae), and other midline structures. The pleural cavities surround the lungs, not the heart, and the abdominal cavity lies below the diaphragm. So the heart and its major vessels reside specifically in the mediastinum.

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