The left side of the heart pumps oxygenated blood to the body; the right side picks it up from these organs
The pulmonary artery 
carries blood from the right side of the heart to the lungs to pick up a fresh... [DOC] [TLE] Heart: how your heart pumps blood around your body - myDr.com.au [PAR] Oxygen-rich blood is pumped out of the left side of your heart (shown on the right 
in the diagram) into the arteries to these tissues and organs.