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	How You Breathe \| Simple Lung Demonstration Project (James Harley) View
	Lungs Working Model \| How to Make a Model of Respiratory System \| School Science Project (Creative fest) View
	DIY \| MEASURE YOUR LUNG CAPACITY \| DIGICHAMPS (DIGICHAMPS) View
	The Respiratory System for Kids (Learn Bright) View
	How to make a lung model (Science Lab ANU) View
	Biology Lab \|\| Lung Demonstration (aceconnect) View
	How Your Lungs Work (Nemours KidsHealth) View
	Operation Ouch - The Diaphragm \| Science for Kids (Operation Ouch) View
	Model Lungs (Pueblo Science) View
	Respiratory System (Amoeba Sisters) View