Compléter Thoracic cageVersion en ligne Identify the bones that form the thoracic cage. Boxes that require multiple answers are in alphabetical order. par Kristani Cochran 1 true sternum 12 thoracic costal 7 xiphoid process 7th superior ribs false cage 11 inferior cartilage floating 8 1 middle body manubrium 10 The is composed of quite a few parts . First is the , which is an elongated flat bone forming the middle part of the anterior thoracic wall . It is composed of three parts , the ( which is the portion ) , ( the portion ) , and ( the portion ) . The are also a part of this cage , - attach anteriorly to the sternum through strips of and are known as ribs . - are ribs that only attach to the cartilage . - do not attach to anything are known as ribs .
