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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.
Important physico-chemical properties of biotin include the following: a) It forms colourless, needle shaped crystals. b) The vitamin is sparingly soluble in cold water
Making a 'gusher' with compressed air Secure a large narrow-necked bottle like as is used for soda water. Place a single-hole stopper in the bottle. By the stopper put a 10- cm
Q. What are the impacts of minimally processed foods? Impacts of minimally processed foods are: it maintains freshness and quality; convenient and ready-to-cook form products;
How to make a receiver for vacuum experiments Secure a large jar with an air-tight screw cap, like as a fruit jar. Drill a hole by the top and have a short metal tube soldered
what is force?
Define Principle Colorimetric Method for the Estimation of Phosphorous? The proteins in the blood are precipitated with the help of trichloroacetic acid. The protein free filtr
describe briefly the scientific and technical achivement of the bronze age
Define relationship of Proteins with Physiology These form building block through their 'amino acids'. They pass through blood stream and go to liver, where they are broken dow
Write an essay to answer the following question: How can social scientists explain human behaviour scientifically?Discuss the merits and limitations of the applications of the sci
what is scientific method
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