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This is an interesting question. In a sense, the right and left sides of the heart do not work independently. The only thing I can think of that makes them independent is the physical structure of the atrioventricular septum. There is muscle tissue that divides the heart in to 4 chambers. One of these pieces of tissue divides the heart into right and left sides (which is very important). Blood from the right side of the heart should be directed to the lungs for oxygen absorption and carbon dioxide excretion. Blood from the left side of the heart receives blood from the lungs for distribution to the body. If there were no separation between the right and left side of the heart, there would be a mixing of oxygenated and deoxygenated blood. This would basically lead to a condition of insufficient oxygen supply for the body. Electrically and physiologically, however, the heart functions the same way regardless of which side you're considering. The contractions are initiated in the same manner, and the muscle contractions happen due to the same processes.

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14y ago
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Q: What internal features allow the right and left sides of the heart to work indepently?
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