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Vaccination:
Now let us see how vaccination protects us from disease. We have mentioned above that the W.B.Cs. produce antibodies which neutralise the toxins produced by the invaders. These W.B.Cs. are of different kinds and each kind consists of millions of cells which recognise and combat a specific foreign invader. Once a class of W.B.Cs. has encountered a particular kind of invader, it develops memory and is thus trained to ward off future attacks. In this way the body becomes "immune" to that infection and the process is called immunisation. Thus, our body regularly develops natural immunity as a variety of fighting cells are produced by actual attacks of infectious agents. Artificial immunisation is a clever idea. It is done through "vaccination", that is by artificial introduction into the body of a weak infection, which triggers off a defence mechanism, and produces W.B.C. trained to combat that particular infection.
please give me some variable for making of hypothesis
Functions of communication: Broldly the main role of communication in a social system is : Receiving and conveying.information which may be facts, messages or opnions; this
The Maximum theoretical limit of channel is governed by Nyquist theorem, which says Bth = 2 x freq in hertz x log2L ( where L = number of level) Thus we have in this case Bth= 2x60
Here this study gives the health hazard data and the treatments for some of the compressed gases. Generally the standard procedure in gas based accidents is as follows: (1) Remo
Intrusion into the Water Cycle: Water management is one of the leading concerns of man today. The natural water cycle has not been able to compensate for the effects of human
INTRODUCTION : You would recall from your study of Unit 11 that LPG (liquefied petroleum gas) and other compressed gases can pose a danger in the lab. The gas (LPG) supply distrib
Housing: Housing is an important component of healthy environment. Probably you are aware that housing conditions for the vast majority of people in India are not up to the s
what chemistry
atomic spices definition?
Explain the Secondary Active Transport In secondary active transport, there is no direct coupling of ATP; instead the electrochemical potential difference created by pumping io
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