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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.
Science in the post-renaissance period (1540- 1760): We have seen above that improved techniques as well as growing trade had led to great voyages to many lands. These were
Objectives After observing the demonstration experiments, you should be able to: 1. State the need for understanding the characteristics of a chemical waste before disposin
Preparation of Report for an Imaginary Accident In case of serious accidents, accident report has to be sent to the Head of the Institution who may use it for official purposes
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nicol prism diagram
Personal sensitivity : There are other dangers from substances which are not so common. e.g. mutagens , but one aspect we have not mentioned involves you. The eyes, lungs and skin
i dont know how to set up my science board
Steroids are of many types . These are given below: a) Sterols : Cholesterol, ergosterol. b) Bile acids : Glycocholic acid, taurocholic acid. c) Hormones : Testoste
Question 1. Describe the factors influencing the development of nosocomial infections 2. Explain briefly the standard precautions taken for infection control 3. Explain h
three adaptations that help humans have differential survivability, and three adaptations that help humans have differential fecundity
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