structure of human heart..?
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pear shaped and has triagular outline consists of lot of coronary blood vessels
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basically ..human heart is four chambered heart..its a muscular oragan which pumps blood through the blood vessels of the circulatory system. the four chamber of heart are left atria, right atria (upper) and lower left and right ventricles .In a healthy heart blood flows one way through the heart due to heart valves, which prevent backflow.
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