To compare the lung capacity of pupils in LS2, we used one breath to blow up a balloon. After that we then measured the circumference of the balloon in cm's. After that we could graph the results so we can compare them. I learnt a lot from this activity including the range was between 44 and 68 and that the majority was in the 50 cm. I also found out that balloons are also a huge problem to our environment.
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