atlas Directory References Discover How Deadly Is Quicksand? What Is the Most Widely Practiced Religion in the World? 10 Best Hockey Players of All Time 10 Failed Doomsday Predictions The Seven Sacraments of the Roman Catholic church The World’s 5 Most Commonly Used Writing Systems New Seven Wonders of the World Contents atlas vertebra Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:skull In skull…the highest vertebra, called the atlas, permitting nodding motion. The atlas turns on the next-lower vertebra, the axis, to allow for side-to-side motion.Read More