Here is a song I created to help my 6th grade students study. I hope you enjoy. Each day I'm breathing air in, I'm breathing air in The air is sucked through nose and mouth Mucus it warms and moistens, it warms and moistens The trachea the air goes down Yeah, the trachea divides in two Both primary bronchus too And you know it do, know it do Yeah, branch off tertiary too And then branching narrow tubes, bronchioles Let's go respiratory system is made of your lungs And passages that lead them oxygen to blood It travels round your body organs, everyone Breathe out gas carbon And these are the lungs Oh... Oh... And these are the lungs Oh... That's right it's the lungs Respiratory system Each bronchiole's a cluster, an air sac cluster Capillaries they do engulf Oxygen through alveoli to capillaries Internal respiration's done Get out carbon dioxide removed Body breathing out for you, make it right Let's go respiratory system is made of your lungs And passages that lead them oxygen to blood It travels round your body organs, everyone Breathe out gas carbon And these are the lungs Oh... Oh... And these are the lungs Oh... That's right it's the lungs Respiratory system Ventilation, that is right, diaphragm flattens, it rises for life The respiratory system The respiratory system Let's go respiratory system is made of your lungs And passages that lead them oxygen to blood It travels round your body organs, everyone Breathe out gas carbon And these are the lungs Respiratory system is made of your lungs And passages that lead them oxygen to blood It travels round your body organs, everyone Breathe out gas carbon And these are the lungs Respiratory, respiratory, respiratory system Respiratory, respiratory, respiratory system Respiratory, respiratory, respiratory system That's right it's the lungs Respiratory system