Heart


Heart


The heart is the main and special organ of blood circulation system. What is heart?


The heart is the main and special organ of blood circulation system. It is muscular, hollow, contractible cone shaped organ which is situated in a portion of tissues which is called mediastinum at the middle of both lungs behind the sternum in the chest and by displacing towards some left side along with some crookedness. Because of displacing towards some left side, its one-third portion is towards the right side from the middle line of the body and two-third portion is situated towards the left side...................

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