Examples of flat bones include?

Flat bones are characterized by their thin, flattened shape and often serve protective roles in the body, as well as providing a surface for muscle attachment. The correct examples of flat bones are found in the chosen answer.

The sternum, also known as the breastbone, is located in the center of the chest and helps protect the heart and lungs. The scapula, or shoulder blade, is another flat bone that plays a critical role in shoulder movement and also protects the upper back area. The ribs, which are a series of curved bones, form the protective cage around the thoracic cavity, helping to safeguard the vital organs situated in the chest.

Each of these bones serves key structural and protective functions in the body, aligning with the definition of flat bones. In contrast to this, the other options include bones like the vertebrae and the radius, which are classified as irregular and long bones respectively, making them not examples of flat bones. Thus, the emphasis on the unique features and purposes of the selected bones reinforces why they are considered flat bones.