I'm unable to watch videos or access external content directly. However, I can provide a summary of how the heart works if you'd like! The heart is a muscular organ that pumps blood throughout the body. It has four chambers: two atria and two ventricles. The right side of the heart receives deoxygenated blood from the body and pumps it to the lungs for oxygenation. The left side receives oxygenated blood from the lungs and pumps it to the rest of the body. The heart's rhythm is regulated by electrical impulses, ensuring efficient blood flow. If you have any specific questions or topics you'd like to know more about regarding the heart, feel free to ask!
Watch this video from the National Institutes of Health to see how the heart works.
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