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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 Enterohepatic Circulation of Bile Any compound which is secreted in bile and subsequently reabsorbed from the small intestine, returns to the liver and is then rese
To show how water rises by capillarity Colour some water in a shallow dish with ink and touch a blotter to the water surface. Observe how the water increases in the blotter.
What are all the planets in our solar system?
Mechanism of Secretion of Gastric Juice There is always a small quantity of gastric juice present in the stomach even when there is no food in the stomach. This is known as fa
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Explain the Function of Saliva -Taste Food substances, mixed with saliva stimulate the taste buds. Saliva acts as a solvent and is essential for the sensation of taste.
What minerals attract lightning? Ans) Big structures and things that are metal attract lightning, also trees do. In fact, anything that is metallic having mineral may seem
Internal Bleeding : There is little that you can do for most internal bleeding other than treating for shock and calling for a doctor immediately. If the patient's condition becom
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