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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.
Explain the Radioactive Proteins If a sample of plasma is allowed to incubate with the radioactive iodine ( 131 I) for 30 minutes or more, some of the protein combines with iod
VERIFICATION OF STOCK ITEMS : Now you know that a stock register is the key for the verification of all the items purchased from time to time. Let us now perform the second activi
Q.How is soil formed? Soil is formed by breaking down of rocks at or near the surface of the Earth through various physical, chemical, and biological processes by various factor
Beneficial Role of Soil Organisms The soil organisms play a significant role in the life cycles of plant and animals through decomposition, synthesis and transformation, in wh
Explain the Emergency Contraceptive Pill (ECP) method The ECP method or "morning after pill" uses a high dose of combined oral contraceptives (OCs) to prevent conception. The O
Ask quesExplain that your intention is to investigate a variety of combinations of pipe material, insulation material and size which you could potentially consider when deciding on
how amplitude , wavelength , and frequency are related to the energy of a wave
Objectives After you have completed this exercise, you should be able to: 1. Enlist all the fire extinguishers available in the labs and relate them to the type of fire
Define age related changes in Special Senses Presbyopia (decline in the ability to focus near objects), senile cataract etc. can be observed as eye dysfunction. Ear shows dimin
describe the factors which decide broad area of scientific activity
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