the semi lunar valves stop the blood flowing the wrong way !
There are 3
semi-lunar valves
Semilunar valves are open when the blood is being pumped. The AV valves are closed when the semilunar valves are open.
Open so the ventricle can receive more blood to pump.
The semi-lunar valves
lub dub lub is when the av valves close and dub is when the semi lunar valves close
semi lunar valves
they are found at the entrance of the main aorta and the pulmonary artery
bicuspid valve tricuspid valve semi lunar valve
The semi lunar valves control the flow of blood coming back into the Right Atrium.
you should have listened to your teacher when she was explaining kiddo.