Human heart
The heart is one of the most important organs in humans. It is the driving force in the circulatory system. The main function of the heart is to provide power for blood flow, transporting blood to various parts of the body. The human heart is located in the lower left middle of the chest cavity, with a volume equivalent to the size of a fist and a weight of approximately 250 grams. The human heart is shaped like a peach, located above the diaphragm and slightly to the left between the two lungs.
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