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| Structural Anatomy |
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| on Wednesday, June 15, 2005 - 03:37 PM CET - 5853 Reads |
|  The human heart beats on average 100,000 times a day, 30 to 42 million times a year. This incredible performance necessitates the simultaneous contraction of thousands of cells of the ventricles and the atriums. |
Cardio pulmonary tract
The heart
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