Enlarged approximately 1.5 times, in SOMSO-PLAST®. Sectioned so that both ventricles and atria open to expose the valves. Large blood vessels near the heart and the heart muscles are shown. The conducting system and the excitation system of nerve tracts with the addition of the sinoauricular and atrioventricular nodes, the trunk, and the atrioventricular bundle are shown. Separates into 4 parts. On a stand with green base.
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