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.
16 photos: World's most dangerous public transport cities for women. Worst transport for women: 1. Bogota â A Thomson Reuters Foundation survey in 16 major cities found Bogota, Colombia, has the world's worst public transport for women's safety, with women polled saying they're scared to travel after dark.