OSCAR BURRIEL / SCIENCE PHOTO LIBRARY OSCAR BURRIEL / SCIENCE PHOTO LIBRARY
Human heart. Hand holding a model of a healthy human heart with light shining from it. The main blood vessels servicing the heart are visible at upper centre. At upper centre is the vena cava (blue) where blood arrives from the body. Blood is pumped through that side of the heart to the lungs and back to the heart through the pulmonary system of blood vessels (blue, upper right). Oxygenated blood is then pumped to the rest of the body through the main artery, the aorta (red, upper centre). The heart muscle itself is supplied with fresh blood through the coronary arteries (red), seen on the surface of the heart.
Model release not required. Property release not required.