Question:
Given below is the diagram of human lymphatic system, where $A$, $B$, $C$ and $D$ are lymphoid organs. Select incorrect option regarding the lymphoid organs labelled as $A$, $B$, $C$ and $D$.
Given below is the diagram of human lymphatic system, where $A$, $B$, $C$ and $D$ are lymphoid organs. Select incorrect option regarding the lymphoid organs labelled as $A$, $B$, $C$ and $D$.
Updated On: Jul 6, 2022
- $T$ cells mature in $B$
- $B$ and $T$ cells undergo maturation in $C$
- $B$ and $T$ cells undergo proliferation and differentiation in $A$
- B cells mature in D
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The Correct Option is B
Solution and Explanation
$A$'-lymph nodes, '$B$'-Thymus, '$C$'-spleen, '$D$'-Bone marrow. Thymus and bone marrow are the primary lymphoid organs where maturation of $T$-cells and $B$-cells take place respectively. Lymph nodes and spleen are the secondary lymphoid organs where $T$-cells and $B$-cells undergo proliferation and differentiation.
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Concepts Used:
Human Health and Disease
Health is described as a state of complete physical, mental and social well-being.
The disease is a circumstance where malfunctioning of the body organs occurs leading to uneasiness and discomfort.
Differences between Infectious Diseases and Non-Infectious Diseases:
Common Diseases in Humans:
Read More: Human Health and Disease