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what is heart

 heart is a muscular organ that pumps blood to our body. our heart is at the center of our circulatory system. This system consists of a network of blood vessels, such as arteries, veins, and capillaries. These blood vessels carry blood to and from all areas of our body. A healthy heart supplies our body with the right amount of blood at the rate needed to work well...

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Heart is an involuntary muscular organ which is mend to keep our circulatory system admministered.It is a main source of blood for many body organnels but it has its own blood supply.It is a central part of bodys double circulatory ystem which i as follows:

Body  > Heart > Lungs > Heart > Body.

Hence heart is known as Head of circulatory system.

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The hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body

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