Sternum bone: The sternum

The sternum , commonly referred to as the breastbone, is a flat, elongated bone located in the central part of the chest . It forms the anterior portion of the thoracic cage and serves as an attachment site for the ribs and clavicles. [1] The sternum consists of three parts: the manubrium, body (or gladiolus), and xiphoid process. Together, these components create a protective framework for vital organs such as the heart and lungs. The sternum , or breastbone, lies over vital organs in the chest to provide protection. Here's what to know about the bone —and how to keep it healthy. The sternum , commonly known as the breastbone, is a long, narrow flat bone that serves as the keystone of the rib cage and stabilizes the thoracic skeleton. Several muscles that move the arms, head, and neck have their origins on the sternum . There are 26 bones in the chest of a human body. These bones include 24 ribs in 12 pairs, a sternum , and a hyoid bone . These bones provide structural support and flexibility, facilitating essential functions like breathing and movement of the upper limbs. Together these bones form the rib cage and protect the vital organs such as the lungs and ...