Read e-book online A Year at a Construction Site (Time Goes By) PDF

By Nicholas Harris

ISBN-10: 0761346759

ISBN-13: 9780761346753

Describes how a college is equipped over one year and offers a bird's eye view of the complete method in 8 scenes.

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Extra info for A Year at a Construction Site (Time Goes By)

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The toxins that they exude, however, can affect the smooth functioning of the heart some distance away. Here, a different strategy is employed against such long distance enemy. The body's defence organization is capable of retaliation even against chemical warfare. The enemy does WARGAMES 37 nat necessarily have to. be a living arganism. It cauld even be a chemical. The sentinel cells can detect the identificatian marks af such a malecular 'enemy' and manufacture aderl rlestrov that quate antibady ammunitian to.

There are five different types of these missiles. The antibody is made up of a globular protein. Since it plays such an important role in the immune response, this group of proteins is known as immunoglobulins. The five different classes are IgA, IgG, IgM, IgD and IgE. Each one of these antibodies perform different functions. The one that is produced in very large numbers and whose use is also the maximum is the IgG. This missile bears the brunt of the body's battles. It can also cross the placenta, the protective covering of a child growing in its mother's womb.

When the real enemy invades it cannot take the defence forces by surprise because the immunological memory is now jolted. The alert forces immediately launch into a well prepared pitched battle. Victory follows in next to no time. It was Edward JENNER (1749-1823) who devised these military exercises of vaccination some two hundred years ago. Neither he nor anyone else was aware then of the precise mechanism by which these wargames kept the cellular army on its toes though ,everyone had observed that people suffer from diseases like measles or mumps only once in their life.

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A Year at a Construction Site (Time Goes By) by Nicholas Harris


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