Receives deoxygenated blood from the body and pumps it to the lungs.
Four valves (tricuspid, pulmonary, mitral, and aortic) act as one-way gates to keep blood flowing in the correct direction. ⚙️ How the "System" Works
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
The heart is a fist-sized muscular organ located in the center of your chest, slightly behind and to the left of the breastbone. It is divided into four main chambers:
The right and left ventricles pump blood out of the heart.
Your heart functions as a dual-pump system that never stops, beating approximately :
The right and left atria receive incoming blood.
Heart.rar < 2026 >
Receives deoxygenated blood from the body and pumps it to the lungs.
Four valves (tricuspid, pulmonary, mitral, and aortic) act as one-way gates to keep blood flowing in the correct direction. ⚙️ How the "System" Works
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
The heart is a fist-sized muscular organ located in the center of your chest, slightly behind and to the left of the breastbone. It is divided into four main chambers:
The right and left ventricles pump blood out of the heart.
Your heart functions as a dual-pump system that never stops, beating approximately :
The right and left atria receive incoming blood.
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