Four valves (tricuspid, pulmonary, mitral, and aortic) act as one-way gates to keep blood flowing in the correct direction. ⚙️ How the "System" Works
The right and left ventricles pump blood out of the heart. Heart.rar
Your heart functions as a dual-pump system that never stops, beating approximately : Four valves (tricuspid, pulmonary, mitral, and aortic) act