Question

In an experiment to demonstrate the mechanism of breathing by using a bell jar, two balloons in thw bell jar and a rubber sheet tied to the open end of a bell jar : (i) what does the space in the bell jar represent? (ii) what do the balloons in bell jarrepresent? (iii) what does the rubber sheet tide over the open end of the bell jar represent?​

Answer 1

Answer:

A thin rubber sheet is tied around the open bottom of the bell jar. In this apparatus, the space inside the bell jar represents the chest cavity, the balloons represent the lungs whereas the rubber sheet represents the diaphragm.

Explanation:

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Answer 2

Answer:

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