Internal structure of human heart shows four chambers viz. two atria and two ventricles and couple of blood vessels opening into them. The wall of two ventricles are strong and sturdy when compared to atria. Before we start, we shall recall the basic proportions of heart and its chambers. The right Auricle is larger than left. The walls of Left ventricle are thicker than the walls of Right ventricle.We shall try to incorporate the above details in the diagram for maximum accuracy. In this…
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