Red and blue blood flowing through the heart. Two circuits running simultaneously, completely separated in a healthy heart.
Blue = deoxygenated (right side, to the lungs). Red = oxygenated (left side, to the body).
Fun fact: deoxygenated blood isn't actually blue. It's darker red. The blue is a visual convention. #HeartAnatomy
All animations created using the SciePro 3D anatomy model.
At the University of Minnesota, a human heart beats outside the body, without a pacemaker, connected to machines that keep it oxygenated. It has its own internal electrical system. It’s not a simulation: it’s a real organ beating outside the chest.