The circulatory system is a vast network of vessels powered by the heart — delivering life-sustaining oxygen and nutrients to every cell in the body. This 3D animation shows: ▪️ The heart’s chambers and valves in action ▪️ Blood moving through the aorta, arteries, and capillaries ▪️ Return of deoxygenated blood via veins to the heart ▪️ Constant circulation through the pulmonary and systemic loops It’s the most vital transport system in the human body. Based on SciePro’s 3D anatomy model. Availa