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The body’s second line of defense

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By Noralyn Dudt

THE LYMPHATIC SYSTEM,  a vital part of the immune system is a network of organs, vessels and tissues that work together to move a colorless, watery fluid (lymph) back into the circulatory system ( the bloodstream).

After the skin, the LS is the second line of defense against foreign invaders such as viruses and bacteria. Not only it  blocks bacteria from entering the body, it can also remove those harmful ones that evaded the blocking. In addition, the LS removes excess fluids from the body and reduces swelling/inflammation.

When the lymphatic system cannot sufficiently drain the lymph fluid,  swelling occurs, most often in the arms and legs.

The protein molecules that are not filtered out start to accumulate underneath the skin. This is the earliest sign of lymphedema. The symptoms develop slowly. In fact the apparent symptom of swelling will not be present yet. Even though the limb looks presumably normal on the outside, the extra water will pull into the affected area and cause heaviness.

The lymphatic system organs include the bone marrow, thymus and lymph nodes which keep a healthy balance of fluids throughout the body. By eliminating waste and abnormal cells from the body, trapping pathogens before they can cause infection, it defends the body against a myriad of illnesses.

Unlike the heart which pumps blood throughout the circulatory system, the lymphatic system does not have a central engine or pump. Instead the LS works through pressure,  meaning your lymph fluid primarily moves when you do. When you don't move, it doesn't move much, either. Thus, increased circulation including increased blood flow and the flow of lymph fluid is critical for removing waste from the body.

So, get up and move every hour. Take a short walk around your house or add some stretches while sitting at your desk. The more movement you make, the better your lymphatic system will function.

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  1. Estrella PalafoxJanuary 28, 2024 at 10:23 PM

    Helpful article my dear Noralyn!! Your simple explanation serves readers of all ages!! Keep it up friend!!

    ReplyDelete

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