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In this video, I talk about how the heart works as a pump that propels blood through the body's vessels. We will learn about the path of blood between the heart, lungs and organs, how blood flows within the heart, how the electrical activity of myocardial cells and self-excitable cells of the heart works, how the heart muscle contracts and how electrical and mechanical events relate to each other in a complete cardiac cycle. All of this correlating cardiac events with the electrocardiogram tracing. [Contact] E-mail: [email protected] Facebook: /medcanal Instagram: @jpmauler Twitter: @medcanal1