K H FUNG / SCIENCE PHOTO LIBRARY K H FUNG / SCIENCE PHOTO LIBRARY
Heart and aorta. Lateral 3D coloured computed tomography (CT) scan of a normal human chest, showing the heart (centre left) and the aorta, the main body artery. The aortic arch (upper centre) is where the aorta emerges from the heart, arching down to descend through the chest. The spine and ribs are also shown, as well as the pulmonary arteries and the lungs (blue areas).
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