The chest, or thoracic region, primarily contains the rib cage, which is made up of 24 ribs (12 pairs) and the sternum. The key bones include the manubrium, body, and xiphoid process of the sternum, as well as the true ribs (1-7), false ribs (8-10), and floating ribs (11-12). Additionally, the thoracic vertebrae (T1-T12) contribute to the skeletal structure of the chest. Collectively, these bones protect vital organs such as the heart and lungs.
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