 Did you know that the that there is a right lung and a left lung.  Also the left lung has 2 lobes and the right lung has 3 lobes.  What the respiratory system dose is helps your body breath and keeps your body working. 

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 Did you know that all of the body systems work together to keep your body working. The respiratory system provides us with oxygen so we can breathe. The respiratory system helps the circulatory system by giving our blood oxygen. The lungs remove the carbon dioxide from the blood and that is what we breath out.

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 What would happen if your body system didn't do its job? if you did not have oxygen you would have no life. When oxygen goes into the lungs then the diaphragm moves down to allow air in the Lungs. when you breath out your diaphragm moves up and you breath out carbon dioxide. If we did not have all of our respiratory system organs it would not work and you would have no life because the system can not work without all the organs.

Live strong Wikipedia e learning for kids respiratory system Lungs for kids