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2014-06-30T18:32:18+08:00

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The heart is a double pump that pumps on every side, the left and the right, to circulate the blood throughout the body.
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2014-06-30T18:44:22+08:00

This Is a Certified Answer

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The heart pumps blood throughout our body, whilst a mechanical pump is a device that delivers fuel to an engine.
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