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How the lungs work
Cut the bottom off a large bottle. Fit a cork to the neck with a Y tube in it. On every of the lower limbs of the Y tie a rubber balloon or a number of small bladder.
Tie a sheet of brown paper or sheet rubber round the bottom of the jar, with a piece of String knotted by a hole and sealed with wax. Pulling this string lowers the diaphragm and air enters the neck of the Y piece causing the balloons to dilate.
Pressing the diaphragm upwards has the opposite effect.
Hello sir, This is pradeep. I have completed M.Sc Biochemistry since then i worked as a chemist in quality control department in pharmaceutical and cosmetic companies. I have co
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explain the factors that led to the decline of science in europe during iron age
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Moisture from breathing Moisture coming from breathing might be shown by blowing on a cool mirror or into a cool glass or bottle.
1000 divided by 12
Social and economic impact of modern communication technology: Quite obviously a society which will utilise advanced communication technology in the ways mentioned above, woul
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