The right side of your heart<span> receives oxygen-poor </span>blood<span> from your veins and </span>pumps <span>it to your lungs, where it picks up oxygen and gets rid of carbon dioxide. The left side of your </span>heart<span> receives oxygen-rich </span>blood<span> from your lungs and </span>pumps<span> it through your arteries to the rest of your body.</span>
