Egyptian culture was the first to produce leavened bread, and leavened bread was a symbol of Egyptian culture. This did not mean that unleavened bread disappeared from the Egyptian diet (when Jews â or others â said, âOn all nights we eat leavened and unleavened bread,â they meant what they said), but leavened bread was preferred.
The ribcage, also called the thoracic cage, is a bony structure made up of the rib bones and their connective tissues. The ribcage forms part of the bodyâs respiratory system.
RIB CAGE DIAGRAM. Image: Rib Cage. STERNUM. The sternum is the long and flat bone structure that is actually a plate consisting of 3 separate bones. Consisting of the upper manubrium, the central body, and the lower xiphoid process, the sternum creates an anchor for the ribs meeting centrally at the midline of the body.