Left Side of the Heart. 1  The pulmonary vein empties oxygen-rich blood from the lungs into the left atrium of the heart. 2  As the atrium contracts, blood flows from your left atrium into your left ventricle through the open mitral valve.3  When the ventricle is full, the mitral valve shuts.eft Side of the Heart. 1  The pulmonary vein empties oxygen-rich blood from the lungs into the left atrium of the heart. 2  As the atrium contracts, blood flows from your left atrium into your left ventricle through the open mitral valve.
Sunday, April 09, 2016 St. Bernard Irish Italian Islenos Parade - 11 a.m. - St. Bernard Irish Italian Islenos Community Parade & Marching Club Judge Perez Drive, Chalmette and Arabi 43 floats, 1,500+ members and 300,000 pounds of produce. See parade route.
St. Patrick's Day was originally a Roman Catholic holiday celebrating Ireland's patron saint and observed only in Ireland; it was not until the 1700's when Irish immigrants in the U.S. started the first St. Patrick's Day Parade in New York City. The March 17th tradition of wearing green is explained in differing ways.