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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.
For chemically reactive wastes : The chemical property of the waste could be used in its removal in a number of ways as given below: i) Some water-reactive waste could be dispo
Define the categories of Soil structure Three broad categories of soil structure. These are: 1) Single grained, where each particle in a soil functions as an indivi
Emergence of chemistery: Chemistry The level of chemical knowledge and practices in the new ordered society is reflected in the pottery, iron tools and glass objects found at
If I send you ab assignment can you finish it by midnight central time TONIGHT
Ecological Crises: The natural atmosphere which man has inherited from the past, with healthy and fresh air, shielding from excessive radiation of the sun, has been deteriorat
The Carbon Cycle: We have seen that carbon is one of the essential elements of all organic substances and it enters the ecosystem through the process of photosynthesis. Carbon is
Objectives After you have completed this exercise, you should be able to: 1. Enlist all the fire extinguishers available in the labs and relate them to the type of fire
Explain the Factors Affecting Peripheral Resistance i) If more than 30% of the blood volume of a person is lost through bleeding (haemorrhage), the compensatory mechanism may f
Primate Heritage: Man belongs to a group of animals called mammals which are different from other animal groups in possessing hair, and milk producing mammary glands, among
Question 1 Enlist the seven natural principles of the body according to Unani system Question 2 List and explain the types of treatments (chikitsas) of Ayurveda. Classify the
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