what system is breathing a part of?
<answer> Breathing is the process that brings oxygen in the air into your lungs and moves oxygen and through your body. <context> Respiratory system This chart of the RESPIRATORY SYSTEM shows how you breathe. Breathing is the process that brings oxygen in the air into your lungs and moves oxygen and through your body. Our lungs remove the oxygen and pass it through our bloodstream, where it's carried off to the tissues and organs that allow us to walk, talk, and move.