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प्रश्न
Assertion: Lymphocytes originate and proliferate in primary lymphoid organs.
Reason: Spleen is a secondary lymphoid organ.
विकल्प
Both Assertion and Reason are true and Reason is the correct explanation for Assertion.
Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion.
Assertion is true and Reason is false.
Both Assertion and Reason are false.
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उत्तर
Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion.
Explanation:
Lymphocytes form in the thymus and bone marrow, the principal lymphoid organs. The spleen is a secondary lymphoid organ that is the largest in the body.
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संबंधित प्रश्न
Given below are some human organs. Identify one primary and one secondary lymphoid organ. Explain its role.
Liver, thymus, stomach, thyroid, tonsils
What are the vestigial organs?
Which lymphoid organ is particularly large in children but gradually shrinks with age?
Which of the following represents the correct location of the bone marrow in the body?
Which secondary lymphoid structures include bronchus-associated lymphoid tissue (BALT)?
Peyer's patches function primarily to perform which immune task?
Which lymphoid tissues are collectively referred to as MALT and include GALT, BALT, and NALT?
Which of the following primary lymphoid organs is responsible for the maturation of B-lymphocytes?
The lamina propria functions as a secondary lymphoid structure associated with which body system?
Genituourinary lymphoid tissue provides immune defense for which anatomical regions?
