Take a breath — Modeling the respiratory system, Gr. 9–12

Volume 8 | Gr. 9-12 | U28115
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modeling respiratory system
Materials list
• Scissors
• 4 large balloons (3 for the model, 1 for lung capacity test)
• 2 rubber bands
• Electrical tape
• Plastic 2-liter bottle
• Flexible plastic tubing – 8″
• Y-shaped hose connector