Heart
The organ that pumps the blood for circulating throughout the human body.
The human heart is a pulsating, four-chambered organ that circulates blood through the body. Though the heart appears to...
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The heart is the main organ in the circulatory system. It is on the left side of the human body and is about the size of a fist. The heart is divided into four chambers. They are the right and left...
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Heart
