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A lift pump
To change the syringe and make a simple lift pump, burn two holes by the piston with a hot wire and fit a thin piece of leather or rubber above them to act as a valve which closes on the upstroke and yet permits liquid to pass by on the down stroke
Explain the Mechanics of Respiration The process of respiration can be well understood by studying the mechanism of respiration. This can be explained through a respiratory cy
Media and Educational Environment: Some recent technological developments in media, have opened up new horizons. Besides, increasing use of media, to support and expand educa
Explain the Dialysis By now, you must have well understood the functions of kidney and the implications of abnormal kidney functioning as well. Here in this section, we sh
Explain Examination of Urine Examination of urine is done to detect the presence of any abnormal constituent(s) and hence can be used as an important screening test for identif
Explain the Functions of Glucocorticoids Cortisol, cortisone and hydrocortisone are the names given to the glucocorticoids. What is their function in our body? They play a majo
Moisture evaporates from soil Fill a flower pot with moist soil and place it on a pair of scales. Either balances the pot of soil with weights or observe its weight. Observe it
Lifting things with compressed air Remove the bladder from a soccer ball or basket ball and place it on a table. Pile some books on the bladder and then blow into it.
factors which decide the broad area of Scientific activity
Beyond the milky Way Galaxy: Let us now move away from the Earth and venture into the space beyond. If we were at a point far out in space we would see scattered in space, a
a food chain that does not start with plants??
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