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.
How long did Michael Jackson go to jail?   Michael Jackson did not go to jail , due to the fact that he was not found guilty of sexual actions towards a teenage boy who , at the time slept in his house with his fâ¦amily. So the answer to you question is he did not go to jail for any length of time . 8 people found this useful.