Question

Study the model shown here. It is made from a cut plastic bottle, 2 balloons, a tube, a stopper and a cut balloon. This model corresponds to the human lung model as shown BELOW, What will happen when the stretched band is pulled downwards?
A. the balloons will expand
B. the balloons will contract
C. the balloons will be unchanged
D. the bottle will contract​

Answer 1

Answer:

B) the balloon will contact

Explanation:

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