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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.
What is coal? The remains of trees and shrubs grew millions of years ago, when the weather was mild and moist.
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Question 1 What is Oracle Clinical? Bring out evolutionary effect of Oracle clinical applications in Pharmaceutical industries Question 2 What is the significance of MedDR
how do they protecte themselves
A field trip to study erosion Find some place in the locality where running water has complete damage by cutting gulleys. Take the class to study the erosion. Why was it caused
In what way is crop rotation good for soil management? Continuous cultivation of a single crop over the years on the same site causes accumulation of a particular group of micr
Explain Protein Reserve - Functions of Plasma Proteins Plasma proteins provide a reserve, which can be drawn upon for vital functions in the situations of starvation and protei
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