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.
RTA Rapid Transit (generally known as The Rapid) is a rapid transit and light rail system in Cleveland and Cuyahoga County owned by the Greater Cleveland Regional Transit Authority (RTA). The system comprises three linesâthe Red Line (rapid transit), and Blue and Green Lines (light rail).ll four (Red, Green, Blue and Waterfront) lines join at Tower City Center in downtown Cleveland, the former Cleveland Union Terminal. From Tower City to East 55th the three (Red, Green and Blue) lines share track and stations.