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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.
1. city destroyed by earthquake in 1923? 2.the place where two plates collide and one goes over top the other? 3.sudden stress changes in the earth that cause ground shaking.They o
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Describe the structure of the stomach. How is it modified to carry out its functions? How does It compare to that of the fetal pig?
Objectives After performing the activities under this exercise you should be able to: 1. Calculate the current drawn by a given instrument/equipment /appliance and suggest a
Moisture comes from home plants Place a cellophane bag over a leaf of some house plant or garden plant and close the end about the stem with a rubber band. Make an observation
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what are the micro organism in yeast used in bread production
1. Explain the fundamental scientific principles, including basic principles of chemistry and physics. 2. Give an example that applies scientific principles to the study of zo
in honey if fieshe''s test is negative then is it required to perform the hmf test. kindly let me know the relation between te two
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