A NEW Ballot Drop Box has been installed by the County near the south mid-parking lot entrance to the Convention Center. You may drop your completed ballots inside the sleeve and envelope into the ballot box and the County
Each heart valve has two important functions: To open correctly so that blood can empty from the chamber. To close properly so that blood cannot flow the wrong way. When the valves and chambers fail to move blood properly, symptoms may eventually develop and may require critically important treatment. Learn more about the roles of your heart valves.
Heart valve. A heart valve normally allows blood to flow in only one direction through the heart. The four valves commonly represented in a mammalian heart determine the pathway of blood flow through the heart. A heart valve opens or closes incumbent on differential blood pressure on each side. The four main valves in the heart are: The two atrioventricular valves, the mitral valve, and the tricuspid valve, which are between the upper chambers and the lower chambers. The two semilunar valves, the aortic valv