You are viewing a single comment's thread from:RE: LeoThread 2024-08-19 15:00View the full contextbusybe (33)in LeoFinance • 5 months ago Around 8% of the world population has an extra rib. This is Known as the cervical rib and it comes from the seventh cervical vertebra. It is considered a congenital abnormality that is located above the normal first rib. #science #facts