Four Chambers, One Engine: How the Heart Moves Life 🫀 - - - The human heart is a powerful, nonstop pump built with precision and purpose. It is divided into four chambers, each with a critical role in keeping the body alive. 🔹 Right Atrium & Right Ventricle These chambers receive deoxygenated blood from the body and pump it to the lungs through the pulmonary circulation, where carbon dioxide is removed and oxygen is absorbed. 🔹 Left Atrium & Left Ventricle Oxygen-rich blood returns from the l