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2014-06-29T15:42:13+08:00

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The heart pump model moves water from the jar through the straws and into the basin. The heart pumps blood out into the body through the arteries in a similar way.
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2014-06-29T18:37:05+08:00

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Because you can differentiate it is the heart pump model using a different materials to show how they perform and the true heart is true how the heart to provide oxygen to different parts of the heart 
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