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प्रश्न
What does the term `memory' of the Immune system mean?
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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
The following is well-known abbreviation, which have been used in this chapter. Expand to its full form:
MALT
Which endocrine gland is called ‘the Throne of immunity’?
MALT constitutes about ______ per cent of the lymphoid tissue in human body.
The letter Tin lymphocyte refers to:
Lymphoid tissue is found in ______
Bone marrow test is beneficial in case
Where are B-cells and T-cells formed? How do they differ from each other?
What would happen to the immune system if the thymus gland is removed from the body of a person?
Epithelial lining of our intestine is considered as secondary lymphoid organ. Justify the statement.
Explain the role of Primary and Secondary Lymphoid organs with the help of suitable examples.
Name the secondary lymphoid organs.
Which of the following best describes innate (natural) immunity?
Which immune response does NOT involve circulating antibodies?
Which of the following are secondary lymphoid organs?
What is the primary function of the spleen in the immune system?
Which mechanism describes the cellular immune response?
