The largest oil spill to occur in the United States so far was the Exxon Valdez spill into Prince William Sound, Alaska, in March 1989. The Exxon Valdez, a medium-sized oil tanker, ran aground on a reef to cause this spill of almost 11 million gallons of crude oil.
Sphincters, composed of skeletal muscles, regulate movement through our digestive and urinary systems, thus, controlling swallowing, defecation and even urination. Skeletal muscle contraction generates heat, which helps to maintain body temperature.
Learn about the symptoms, diagnostic process, and treatment of sphincter of Oddi dysfunction - a health problem that sometimes occurs after surgery. Learn about the symptoms, diagnostic process, and treatment of sphincter of Oddi dysfunction - a health problem that sometimes occurs after surgery. Menu What Is Sphincter of Oddi Dysfunction?