Within the thoracic cavity, where are the lungs located?

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Multiple Choice

Within the thoracic cavity, where are the lungs located?

Lungs sit in the pleural cavities on each side of the chest. Each lung is enclosed by a pleural sac formed by the visceral pleura covering the lung and the parietal pleura lining the chest wall and mediastinum. The two pleural cavities are separated by the mediastinum, which houses the heart and other structures; the heart itself sits in the pericardial cavity within the mediastinum. The diaphragmatic area is not a distinct space that contains the lungs; the diaphragm is the lower boundary of the thoracic cavity. So, the lungs are located in the pleural cavities on the right and left.

Lungs sit in the pleural cavities on each side of the chest. Each lung is enclosed by a pleural sac formed by the visceral pleura covering the lung and the parietal pleura lining the chest wall and mediastinum. The two pleural cavities are separated by the mediastinum, which houses the heart and other structures; the heart itself sits in the pericardial cavity within the mediastinum. The diaphragmatic area is not a distinct space that contains the lungs; the diaphragm is the lower boundary of the thoracic cavity. So, the lungs are located in the pleural cavities on the right and left.

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