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.
The skin is part of which body system? Is the skin a part of the circulatory system? No. The skin is its own organ, though one of its functions is to help regulate body temperature by providing a way for the circulatory system to transfer excess heat away frâ¦om the body. Making the world better, one answer at a time.