Final answer:
The name of the breastbone is the Sternum. The sternum is an elongated bony structure that anchors the anterior thoracic cage.
Step-by-step explanation:
The name of the breastbone is the Sternum. The sternum is an elongated bony structure that anchors the anterior thoracic cage and consists of three parts: the manubrium, body, and xiphoid process. The manubrium is the wider, superior portion of the sternum and has a shallow, U-shaped border called the jugular (suprasternal) notch