Cardiac Cycle: 1st Systole Phase. During the systole phase, the right ventricle receives impulses from the Purkinje fibers and contracts. The atrioventricular valves close and the semilunar valves open. The de-oxygenated blood is pumped into the pulmonary artery.
Congressional Salaries. As of 2012, the annual salary for any congressman, from first-term representatives to the most senior members -- except those holding leadership positions -- was set at $174,000. This was the compensation level set as of January 1, 2009, and frozen by law in the intervening years.
Some historical facts about the salary of U.S. House members: 1  In 1789, members of Congress received $6 per diem. 2  In 1874, members of Congress earned $5,000 per year. 3  In 1990, members of Congress earned $96,600 per year. 4  From 2000-2006, the salary of a member of the U.S. House increased every year, going from $141,300 to $165,200.