16.How many classes of ribs are there in human skeleton A. 3 B. 2 C. 6 D. 14
Option B The rib cage has a total of 24 bones or 12 pairs of bones in total. It provides structure to the body and also protects internal organs present inside the thoracic cavity, such as the heart and lungs. It is connected to the bone called sternum and in the back, it is connected to the vertebral column.
