Heart.rar Direct

The right and left ventricles pump blood out of the heart.

Four valves (tricuspid, pulmonary, mitral, and aortic) act as one-way gates to keep blood flowing in the correct direction. ⚙️ How the "System" Works Heart.rar

Receives oxygen-rich blood from the lungs and pumps it out to the rest of the body. The right and left ventricles pump blood out of the heart

Your heart functions as a dual-pump system that never stops, beating approximately : Heart.rar

A natural "pacemaker" called the sinoatrial (SA) node sends electrical impulses that tell the heart muscles when to contract. 📊 Heart Rate: The Vital Metric All About Heart Rate | American Heart Association