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From Karnataka Open Educational Resources
→Activity -
* Make a hole in the cap of the bottle and insert a Y-tube with balloons into it. Now, place it in the bottle by turning the cap.
* Make a hole in the cap of the bottle and insert a Y-tube with balloons into it. Now, place it in the bottle by turning the cap.
* Cover the bottom of the bottle using a transparent polythene cover.(Note-Bottle should not be covered tightly).
* Cover the bottom of the bottle using a transparent polythene cover/balloon.(Note-Bottle should not be covered tightly).
* A model of lungs is now ready. Pull the transparent cover downwards you will see the balloons inflating, when you release the cover you see the balloons deflating.
* A model of lungs is now ready. Pull the transparent cover/balloon downwards you will see the balloons inflating, when you release the cover you see the balloons deflating.
* Describe the structure and function of the lungs using the model created.
* Describe the structure and function of the lungs using the model created.
