Question

what is the difference between usual cavity and chest cavity?
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Answer 1

Answer:

Chest cavity

The mediastinum is in the center of the chest and contains the heart, thymus, and lymph nodes, along with portions of the aorta, vena cava, trachea, esophagus, and various nerves. It encompasses the area bordered by the breastbone (sternum) in front, the spinal column in back, the entrance to the chest cavity above, and the diaphragm below. The mediastinum isolates the left and right lung from each other so that they function as two separate chest cavities. For example, if the chest wall is punctured on one side, causing the lung on that side to collapse, the other lung remains inflated and functioning, because the two lungs are separated by the mediastinum.

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