QWhat is not a component of the rib cage?
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Explanation
The rib cage is a skeletal structure composed of three main components, namely the vertebral column, the ribs, and the sternum. The vertebral column forms the posterior aspect of the rib cage and provides a bony framework for the attachment of the ribs. The ribs are a series of curved bones that attach to the thoracic vertebrae and curve around the chest to connect to the sternum in the front. The sternum is a flat bone located in the center of the chest that serves as the attachment point for the ribs. The spinal cord, on the other hand, is a part of the central nervous system that runs through the vertebral column but is not a component of the rib cage.
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