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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.
Determine the term - soil moisture The higher the soil moisture, the more rapid is the rate of reaction. The quantity of liming material to be applied to raise the soil pH to a
Explain In-Vitro Detection of Antigen-Antibody Interaction Any infection caused, requires a proper treatment. This can be achieved only if the correct organism is identified. S
it is with osmosis and diffusion what''s number 11
what is the law of conservation of mass?
Amino acids are the building blocks of proteins. All proteins consist of a sequence of amino acids, which are compounds containing an amino group (-BIB) and a carhoxyl gro
The difference between hard and soft water Collect some hard water from a stream(or make some as defined in the next experiment). Also secure some soft water like as rain wate
What common type of paper having substantial amounts of corundum and magnetite? Sand Paper
Explain Protective and Excretory Function Protective function: Large quantity of mucin is secreted by gastric glands. Mucin lubricates the food bolus (a mass of chewed food) an
Explain the Normal Constituents of Urine The normal constituents of urine are of two types. These are the organic substances and the inorganic substances as listed Organic
State the Chemical and Physical processes of weathering The chemical and physical processes of weathering aid each other. A rock mechanically broken into smaller pieces exposes
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