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Published on 23 May 2011 | over 5 years ago

www.interactive-biology.com - Making Biology Fun
We all know that the heart beats. We don't even need to think about it - it just happens. But, there are many details that need to come together in order for it to happen efficiently and effectively.

In this videos, Leslie goes through the concepts involved in the cycle, explaining the phonocardiogram, electrocardiogram (ACG/EKG), ventricular volume and pressure, atrial pressure and aortic pressure.



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