Zoology - Body Fluids and Circulation Question with Solution | TestHub

It prevents blood from flowing back into the right atrium during contraction of the ventricle.

The tricuspid valve is one of the two main valves on the right side of your heart. Normally, the tricuspid valve has three flaps (leaflets) that open and close, allowing blood to flow from the right atrium to the right ventricle in your heart and preventing blood from flowing backward.