The pulmonary circuit carries blood to the ____ to be oxygenated and then carries it back to the ____. In the lungs, ____ is removed from the blood, and oxygen is taken up by the ____ in the red blood cells. The ____ circuit carries blood around the body to deliver oxygen to cells and returns ____ blood to the heart. The blood is at low pressure after circulating the body - it needs to return to the heart to give it another '____ ' to get it through the lungs . Blood also carries ____ to cells and removes ____.

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