Lymph node
Lymph nodes are small, bean-shaped structures that play a crucial role in your immune system. They are part of the lymphatic system, which is responsible for transporting a fluid called lymph throughout the body. Lymph nodes act as filters, trapping viruses, bacteria, and other foreign particles that may be present in the lymph fluid. By doing so, they help protect your body against infections and diseases.
These nodes are found throughout the body, including in locations such as the neck, armpits, and groin. When your body detects an infection, the lymph nodes may become swollen as they work to fight off the harmful invaders. This swelling, often noticeable in the areas where lymph nodes are located, is a sign that your immune system is active and working hard.
In summary, lymph nodes are integral to maintaining your health by filtering out harmful substances and supporting your body's defense mechanisms.
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