1 The pancreas is an abdominal gland situated behind the stomach in the upper abdomen.  The main function of the pancreas is to secrete hormones and enzymes that help with digestion and regulate blood sugar (glucose) metabolism.
See also: List of tram and light rail transit systems. The Shanghai Metro is the longest metro system by route length. The Beijing Subway is the metro system with the highest ridership. The New York City Subway has the most stations.
Based out of Phoenix, AZ, Swift Transportation began in 1966 and has grown to become the largest truckload carrier in the world. The company now operates more than 16,000 trucks with operations across the United States, Canada, and Mexico.