Heart.rar

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

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

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: Receives oxygen-rich blood from the lungs and pumps

Receives deoxygenated blood from the body and pumps it to the lungs. Heart.rar

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