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- เผยแพร่เมื่อ 21 ก.ค. 2019
- You want to get the observation sheet for the video you watched - join Myunlab to get more resources unlab.thinktac.com
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. You want to get the observation sheet for the video you watched - join Myunlab to get more resources my-unlab.web.app/ Using a cut PET bottle and balloons, create a functional lung model. A big balloon covering the cut end of the bottle creates a diaphragm. As the diaphragm is pulled down, the lungs, modeled with two small balloons inflate and they deflate when the balloon is released.
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