Swelling of the lymph nodes may be caused by the drainage of bacteria or toxic substances.

Question

Quizplus · Accepted Answer

Swelling of the lymph nodes is a normal immune response to the presence of bacteria, viruses or other harmful substances in the body. The lymph nodes contain immune cells that help fight off infections and other pathogens by filtering and trapping them. When a particular lymph node is overwhelmed by an infection or toxin, it may become swollen or inflamed as the immune cells multiply and attack the invader. This is why doctors often check for enlarged lymph nodes as a sign of infection or disease.

Swelling of the Lymph Nodes May Be Caused by the Drainage