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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.
Ultraviolet Radiations : The ultraviolet (UV) light has higher energy than visible light. Hydrogen lamps, deuterium lamps and other sources of ultra-violet are used for a variety
Describe the factors which decide the broad area of Scientific activity?
Foam extinguishers : If the burning liquid is in a container the jet should be directed at the inside edge of the vessel or at a vertical surface in order to break the jet and al
atomic spices definition?
Substances Used In Measuring Extracellular Fluid Volume Substances used in measuring Extracellular Fluid Volume - The Concept of "Fluid Space" Substances that have been used
what is the mode of feeding of a lion
How Temperature of the Earth's Layers is changed? How does the temperature of the Earth's interior change as one goes deeper within the Earth? As one might expect, the farther
Explain Change of posture - Decreased Cardiac Output When a person stands up from lying down posture, there is an immediate but transient fall in systolic blood pressure. This
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Explain Idiopathic Thrombocytopenic Purpura "Thrombocytopenic" means the blood doesn't comprise adequate platelets. "Purpura" means a person has excessive bruising. You may als
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