what is the job of the rib cage? how many pairs of ribs do humans have?
A typical human rib cage consists of 24 ribs, the sternum (with xiphoid process), costal cartilages, and the 12 thoracic vertebrae. Together with the skin and associated fascia and muscles, the rib cage makes up the thoracic wall and provides attachments for the muscles of the neck, thorax, upper abdomen, and back.
Men and women have 12 pairs of ribs. Contrary to popular belief, men do not have fewer ribs. The rib cage is formed from these 24 ribs. The ribs in the center are slightly larger, while the sternum...