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.
Ribs. The ribs partially enclose and protect the chest cavity, where many vital organs (including the heart and the lungs) are located.The rib cage is collectively made up of long, curved individual bones with joint-connections to the spinal vertebrae.At the chest, many rib bones connect to the sternum via costal cartilage, segments of hyaline cartilage that allow the rib cage to expand during respiration.he rib cage is collectively made up of long, curved individual bones with joint-connections to the spinal vertebrae. At the chest, many rib bones connect to the sternum via costal cartilage, segments of hyaline cartilage that allow the rib cage to expand during respiration.