another name for breastbone is _______.
The breast bone is also called the sternum in scientific  communities. It is made of three parts, the manubrium (top), the  gladeolus, and the zyphoid. Making the world better, one answer at a time.
The sternum or breastbone is a long flat bone shaped like a necktie located in the center of the chest. It connects to the ribs via cartilage, forming the front of the rib cage, and thus helps to protect the heart, lungs, and major blood vessels from injury. The sternum consists of three regions: the manubrium, the body, and the xiphoid process. The word sternum originates from the Greek ÏÏÎ­ÏÎ½Î¿Î½, meaning chest.