The breastbone, also called the sternum, is a long, flat bone in the center of the chest. It is connected to the ribs with cartilage. Together with the ribs, it helps to protect important organs in the chest, such as the heart and lungs, from damage.
Current as of: March 2, 2020
Author: Healthwise Staff Medical Review: Adam Husney, MD - Family Medicine Kathleen Romito, MD - Family Medicine