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How does the lymphatic system work?

Cleveland Clinic
Cleveland Clinic
POSTED BY Cleveland Clinic

The lymphatic system helps coordinate the immune system's function to protect the body from foreign substances and includes an extensive network of lymph vessels and lymph nodes.

Excess fluid is collected from the space between tissues in the body and moves through the lymph vessels. The fluid (now called lymph) isn't ...

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The lymphatic system helps coordinate the immune system's function to protect the body from foreign substances and includes an extensive network of lymph vessels and lymph nodes.

Excess fluid is collected from the space between tissues in the body and moves through the lymph vessels. The fluid (now called lymph) isn't pumped through the body like blood but, instead, is "pushed" through the lymph system as the vessels are compressed by surrounding muscles.

Filters called lymph nodes remove certain harmful substances from the lymph fluid, such as bacteria and debris. The fluid from most tissues or organs is filtered through one or more lymph nodes before it drains into the bloodstream.

Learn more about the working of lymphatic system.

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