This organ possesses a dense fibroelastic connective tissue skeleton composed of annuli fibrosi and fibrous trigones. Muscle cells within this organ are connected by gap junctions known as intercalated discs. The bundle of His and associated (*) Purkinje fibers are located in this organ, and those structures conduct impulses from the SA and VA nodes located in this organ. Semilunar valves connect it to the pulmonary artery and the aorta, and mitral and tricuspid values separate its ventricle and
This organ possesses a dense fibroelastic connective tissue skeleton composed of annuli fibrosi and fibrous trigones. Muscle cells within this organ are connected by gap junctions known as intercalated discs. The bundle of His and associated (*) Purkinje fibers are located in this organ, and those structures conduct impulses from the SA and VA nodes located in this organ. Semilunar valves connect it to the pulmonary artery and the aorta, and mitral and tricuspid values separate its ventricle and atrium. For 10 points, name this four-chambered, blood-pumping organ.
This organ possesses a dense fibroelastic connective tissue skeleton composed of annuli fibrosi and fibrous trigones.
heart