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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 Differentiated cells in an Organism These are the post-mitotic cells, which have undergone specialization and/or exhibit the division of labor. Therefore, these cells a
Another way to show that air expands when heated Snap a toy balloon over the neck of a small bottle and place the bottle in a pan of warm water.
Define Albumin in the Urine Albumin in the urine generally means leaking of the plasma albumin through the inflamed renal glomerulus (glomerulonephritis). It may also be presen
if 120g of a 6% sucrose solution are needed, what mass of sucrose is required to prepare the solution?
Useful Instruction : In the table given below, you can find references to the locations of materials related to this exercise. You are advised to go through these materials to und
Illustrate about the Soil Water Water, as you are well aware, is the most common substance on earth which is essential for life. Plants require water continually to satisfy t
What is movement of the Heart
so say if a car was going at 50km in a hour I would not no how to work it out help me:(
Eicosanoids : Local hormone formed by body tissues during self-healing responses to stimuli.
Explain the Factors That Affect the Reabsorption Process There are also two major factors that affect the reabsorption process. These include: 1) Concentration of small m
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