Together they make sure that every cell in your body (with the exception of the cornea) gets the oxygen-rich blood it needs to function properly. The system is called the Pulmonary Loop. The right side of the heart gets the oxygen-poor blood from the body and moves it to the lungs for cleaning and re-oxygenating. The left side of the heart then pumps the oxygenated blood back through your body—continuously. That means 24/7 for as long as you live.

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