Question

Lymph nodes are known for their role in production of lymphocytes. What is their other role in providing immunity? how are lymph nodes arranged in the body

Answer 1

A number of specialised tissues are important for the proper functioning of the immune system. Among these are the lymph nodes, which provide an ideal environment for communication between immune cells. This environment is necessary for proper activation of the T and B cells (or lymphocytes) that are required for defence against many pathogens. A number of features of lymph nodes help them to perform their functions.

There are about 500-600 lymph nodes that are located in the body, as different places such as neck, collarbone, armpits, and groin. The nodes may be present in groups or in an independent fashion. Let us go through what we are here for, i.e., the lymph nodes locations in body. For better reference I have provided a table explaining the lymph nodes locations in body.


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Answer 2

The lymph nodes produce a fluid known as lymph. It is a white colourless milky fluid similar to the blood plasma.

Lymph contains a large number of white blood cells (leucocytes) which provide immunity to the body. (The function of WBC is to provide immunity to the body).

Lymph nodes are present in various parts of the body, such as like your neck, under your arm, and in your chest, belly, and groin.

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