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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.
describe the factor which decide the broad area of scientific activity?
? Select one of the sociological perspectives, the functionalist, conflict, or symbolic interactionist, and analyze the problems facing K-12 education in the United States.
An experiment with a floating candle Put a nail in the lower end of a candle. The nail should be just the right weight to make the candle float with its top a little above the
The hydrogenation of cyclohexene in the liquid phase has been investigated in a laboratory reactor in the temperature range from 25°C to 30°C. The catalyst (Pt) is suspended in the
TO SURVEYS A LAB FOR ITS FIRE PREPAREDNESS As said earlier in this activity you are going to survey the labs of the institution where you are working at. Look for the fire safe
What are mechanical hazards and outline them
modes of nutrition and their examples
Explain Ketones The ketone bodies accumulate in the blood in impaired glucose metabolism as in starvation and diabetes mellitus. The high levels of ketone bodies are excreted i
Why did the continents spread apart? This is because of the heat generated from the earth's interior and earthquakes - the convection currents deep within the earth due to the m
how can i do this project?
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