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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.
Q. What are the important processed pulse products? Puffed chickpea and pea, besan, papads, pulse-based weaning foods, quick cooking dhals, and canned dry peas are the importa
INTRODUCTION : In any science lab you work with chemicals, gases, electrical equipments, glassware, instruments etc. In case you are working in a biology laboratory handling the p
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classes of aves
INTRODUCTION : You read about the fire hazards, general precautions and remedial measures in case of an outbreak of fire in the previous unit. In this unit you will learn about t
what is diastrophism and the theories of diastrophism?
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Ascan you promise a perfect job k question #Minimum 100 words accepted#
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