One of the countryâs largest annual fireworks displays. Watch the Target Fireworks light up the Minneapolis sky! Come early for Aquatennial Pre-Fireworks Festivities beginning at 6 pm and enjoy food trucks, your favorite festival treats, live music and much more. A full schedule of the pre-fireworks festivities and music lineup will be announced soon.
Heart valve disease occurs if one or more of your heart valves don't work well. The heart has four valves: the tricuspid, pulmonary, mitral, and aortic valves. These valves have tissue flaps that open and close with each heartbeat. The flaps make sure blood flows in the right direction through your heart's four chambers and to the rest of your body.
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