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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.
Competitive inhibition This type of inhibition takes place when a compound having a strong structural resemblance to the substrate competes with it for the catalytic site
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INTRODUCTION : You have studied about the hazards of electricity in Unit 11 of Block 3. You have learnt that most of the electrical accidents like shock, fire, etc. occur often du
Under what conditions an element is called an essential element? An element is called as an essential element, if: a. The plant can not complete its life cycle without it
I need an idea for a science project with apples
how foods are digested?
Solar energy: The energy we get today from the fossil fuels like coal, is in reality sun's energy, trapped in them millions of years ago. Plants make their food and grow bec
Aquestion #Minimum 100 words accepted#
Explain the Constituents and Examination of Urine The quantity of urine in 24 hours in adult normal individual varies from 600 ml to 2500 ml. It is pale yellow in colour, hyper
Classification of Hazardous Chemicals : The classification of chemical hazards as recommended by the UN Committee of Experts on the Transport of Dangerous goods has been widely ad
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