![]() ![]() ![]() The ribs are connected to the sternum with a strong, somewhat flexible material called cartilage. Rib cage consists of 24 ribs (2 sets of 12), which are attached to a long, flat bone in the center of the chest called the sternum. It is connected to the clavicle, scapula and the cervical spine in its upper part, and lumbar spine, in its lower part. It also helps to keep them in their place. The rib cage has the function of protecting the lungs, heart, esophagus, intestines, trachea, nerves and lymph. In humans, the rib cage, also known as the thoracic cage, is a bony and cartilaginous structure which surrounds the thoracic cavity and supports the pectoral girdle (shoulder girdle), forming a core portion of the human skeleton. Rib cage is the bony structure in the chest formed by the ribs and sternum (breastbone) that encloses and protects the heart and lungs.
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