Heart and lungs. Computer artwork showing a section through a human heart (centre) and the bronchial trees of the lungs (red, left and right). The hea
Heart and lungs. Computer artwork showing a section through a human heart (centre) and the bronchial trees of the lungs (red, left and right). The heart is composed of four chambers. Two upper chambers, the atria, and two lower chambers, the ventricles. The left and right side of the heart are separated by the septum (down centre). Between each atrium and ventricle and between the chambers and the major blood vessels are valves that prevent the backflow of blood.
Size: 4180px × 4180px
Photo credit: © SPRINGER MEDIZIN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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