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Cover of Your heart and how it works

a novel ·

Your heart and how it works

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Presents the development of the heart to the four-chambered heart of a mammal, heart muscle, various aspects of its beat, blood pressure, the valves of the heart, and diseases and defects which can affect this all-important organ.

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Presents the development of the heart to the four-chambered heart of a mammal, heart muscle, various aspects of its beat, blood pressure, the valves of the heart, and diseases and defects which can affect this all-important organ.

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"Presents the development of the heart to the four-chambered heart of a mammal, heart muscle, various aspects of its beat, blood pressure, the valves of the heart, and diseases and …"

— Margaret

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