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Water pump with pipes coming in and out.
The heart.
The Heart
diagram on changing water pump on a 2004 silverado 1500
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As a pump
to pump blood through out your body.
When your heart beat's it push's the blood around the human body.
The heart in human is a four chambered pump, whose sole task is to pump blood round the body. If the heart stops pumping, we will die.
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The single human heart is a four chambered organ whose sole task is to pump blood round the body.
It does not pump in a day the human and Animal also plants the heart pumps ever single day the heart does not rest at all because without your heart you die.