Heart.rar -

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 atria receive incoming blood. Heart.rar

The right and left ventricles pump blood out of the heart. Four valves (tricuspid, pulmonary, mitral, and aortic) act

Your heart functions as a dual-pump system that never stops, beating approximately : Four valves (tricuspid