Experiment 3

Experiments

Heading

Apparatus

Diagram

Method

Calculation

Graph

Conclusion

Precautions

Sources of Error

Back

To demonstrate how the diaphragm affects breathing using the 'artificial lung' experiment.

1. Pull the rubber sheet downwards.
Result: The balloons inflate (comparable to inspiration)

2. Push the rubber sheet upwards.
Result: The balloons deflate (comparable to expiration).