The breast bone, also known as the sternum, is an essential part of the human skeleton. It connects the ribs and protects critical organs such as the heart and lungs. There are various other terms that describe the breast bone, including the chest bone, thoracic bone, and chest plate. Additionally, some people refer to the breast bone as the keel bone, which is the same term used for the central bone in the chest of birds. Regardless of the term used to describe it, the breast bone plays a crucial role in the overall functioning of the human body and requires proper care and attention.