Question

Ant To demon wheet and wax bottle Balloon Volume with wax. breathing process Materials Required: A wide plastic bottle, a cork, a Y-shaped glass tube, 2 balloons, a rubber Procedure: Remove the bottom of a wide plastic bottle. Make a hole in the cork and insert a Y-shaped glass tube Plastic mit Fix two deflated balloons to the two free ends of the Y-tube glass tube. Now, Insert the cork in the mouth of the bottle from inside. Finally, attach a sheet of rubber over the open bottom of the bottle as shown in the figure. Seal the cork (decreases) Volume Working: Gently pull the rubber sheet down. Observe the (increases) Rubber change in balloons, which gradually increase in size. Gently sheet release the rubber sheet and observe what happens. Answer the following: In this experiment • balloons are equivalent to rubber sheet is equivalent to plastic bottle represents What is the effect when rubber sheet is pulled down? • Why do deflated balloons become reinflated when rubber sheet is pulled down? • What happens to balloons when rubber sheet is released? Let us perform an activity to measure the change in the size of chest cavity during breathing​

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