K H FUNG / SCIENCE PHOTO LIBRARY K H FUNG / SCIENCE PHOTO LIBRARY
Human heart, 3D coloured computed tomography (CT) angiogram. This is a right-oblique view, showing the right ventricle, the right atrium, and the pulmonary arteries and veins, as well as the aorta. The right coronary artery can be seen between the atrium and the ventricle. The heart is a hollow muscular organ that receives and pumps blood from and around the body through the veins and arteries that branch out from its four internal chambers. The external surface of the heart includes the coronary arteries and veins that supply blood to the heart muscle. This scan includes parts of the lung blood vessels, and parts of the heart's major veins and arteries.
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