10 lines about your heart ......?
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heart is the pumping system of human body.
It has 4chambers left and right atrium and left and right atrium.
It passes twice the blood in one circular time.
It beats up-to 72times per minute approx.
It is a moan source by which our blood is supply to the body.
The left side contains the oxgenated blood and right side contains deoxygenated blood.
It has cardiac muscles which help heart to beat.
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Heart-----------------------supply------------ beat
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