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  • MILESTONES NEWSLETTER

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The lymphatic system is part of the immune system. It keeps body fluid levels in balance and defends the body against infections. Lymphatic (lim-FAT-ik) vessels, tissues, organs, and glands work together to drain a watery fluid called lymph from throughout the body.

  • How the Lymphatic System Works

    How the Lymphatic System Works

    The lymphatic system has some important jobs, like helping the body fight infection. See how it works in this quick animation.

Date reviewed: February 2024