The pericardium is a double-walled sac that contains the heart and the roots of the great vessels. The outer wall of the pericardium is composed of dense connective tissue. The portion of the inner wall of the pericardium that is in contact with the heart (but not in contact with the great vessels) is the epicardium. The epicardium contains the blood vessels supplying blood to heart muscle (the coronary arteries) as well as nerve fibers.
It's been three years since the world learned of Michael Jackson's death. Photos: Remembering the King of Pop Three Years Later.
On June 25, 2009, Michael Jackson who is one of the best-known pop stars in history was found dead at his home in Los Angeles. The cause of his death was determined to be due to acute propofol and benzodiazepine intoxication. Jacksonâs brother, Jermaine said that he suffered a cardiac arrest before.