Heart.rar May 2026

Receives oxygen-rich blood from the lungs and pumps it out to the rest of the body.

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: 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 Receives oxygen-rich blood from the lungs and pumps

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