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प्रश्न
What does the term `memory' of the Immune system mean?
उत्तर
When body encounters a pathogen for the first time produce a response called 1° response. 1° response is of low intensity. When body encounters the same pathogen subsequently the body elicits 2° response. 2° response is highly intensified. This is due to the fact that our body have memory of the first encounter.
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संबंधित प्रश्न
Name the primary lymphoid organs.
The following is well-known abbreviation, which have been used in this chapter. Expand to its full form:
MALT
Which of the following is correct?
Which of the following is NOT lymphoid tissue?
Bone marrow test is beneficial in case
Which of the following is not a lymphoid tissue?
Where are B-cells and T-cells formed? How do they differ from each other?
What would happen to immune system, if thymus gland is removed from the body of a person?
Explain the role of Primary and Secondary Lymphoid organs with the help of suitable examples.
Name the secondary lymphoid organs.
