Lung Demonstration Model [0812]

£30.11
- +

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suitable for KS3+. A first hand view of how the lungs work! This simple, yet effective apparatus consists of two sacs which represent the lungs, a rubber membrane which serves as the diaphragm and a clear plastic enclosure which models the chest cavity. By making the diaphragm relax and contract the students can see how the lungs are emptied and filled with air. Size: 6.5ヤ (D) x 5ヤ (H).