All four chambers, the four valves, the papillary muscles and the coronary vessels, with the great arteries and veins.
What to look for
Find the thick wall of the left ventricle compared with the right.
Trace the coronary arteries from the base of the aorta over the surface of the heart.
Locate the mitral and tricuspid valves between the atria and ventricles, anchored by papillary muscles.
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Parts in this model
About this model
This organ comes from the Human Reference Atlas female reference organ set (HuBMAP, CC BY 4.0), simplified for the web. It is a reference shape, not a single person's scan, and organ sizes vary between people.