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Non-Specific Defence Mechanism
The non-specific defence mechanism is implemented for different types of infections. It resists infection in two ways, firstly, by blocking the entry of pathogens into the body i.e. through external mechanism and secondly by destroying the microbes, if they enter the body through means other than the antibodies. Let us get to know about these external and internal defence mechanisms.
Microbes: You should know that invisible microbes are present everywhere, because they can surviveeven under very inhospitable conditions. They are all around us, in the air
You are the mayor of a beautiful city by the ocean, and your city is connected to the mainland by a set of k bridges. Your city manager tells you that it is necessary to come up wi
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Observing the phases of the moon Over the time of a lunar month have the children make nightly observations and illustrate drawings of the moon. Start at new moon and continue
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Explain Change of posture - Decreased Cardiac Output When a person stands up from lying down posture, there is an immediate but transient fall in systolic blood pressure. This
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clumping of RBC''s
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