You found this figure in an old physiology textbook, and you are trying to understand it. Pleaseinterpret and explain all the graphs and charts -AND-explain how it all fits together. Use theback of this page if you need extra room.Volume (ml)Pressure (mmHg)120100604080401202080OEKGPQHeartsoundsORSWh①0.2→Systole +2Time (seconds)0.4TArteryLeftventricle40.6Pressure changes0.8DiastoleP5Volume changes00 250 300,In particular, consider how the EKG matches up with ventricular contraction. Be sure to explain this.

The circulatory system, also known as the cardiovascular system, is another essential system in the…

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