The lymphatic system

October 27, 2025 at 4:11 pm, No comments

The lymphatic system is one of those “hidden” systems of the body that often goes unnoticed, but it is actually very interesting and closely related to the functioning of the entire body.

Some fascinating connections:

1. The center of the immune system : Lymph nodes are like sentinels that filter lymph fluid and trap microbes, viruses and even cancer cells. The lymphatic system is the main “road network” of the immune system, quickly transporting protective cells to where they are needed.

2. Fluid balance. The lymphatic system collects excess fluid from tissues and returns it to the bloodstream. If this job does not work (e.g. after surgery or inflammation), swelling, or lymphedema, can occur.

3. Connection with digestion. The small intestine contains lymphatic vessels (lacteal capillaries) that absorb fats and vitamins (e.g. A, D, E, K) and transport them to the body. Thus, the lymphatic system is directly related to nutrition and energy supply.

4. Movement-related pump. Unlike blood, which is pumped by the heart, lymph moves thanks to muscle activity and breathing. This means that immobility (long periods of sitting, little movement) slows down the flow of lymph and can cause a “feeling of heaviness” in the body.

5. Connection with the nervous and hormonal systems. Lymph is very sensitive to stress – chronic stress can inhibit lymph circulation and weaken the immune system. Some scientists see the lymphatic system as a kind of “cleaning network”, which also helps maintain hormone balance.

6. The brain has its own lymphatic system. Only recently was the so-called glymphatic system discovered – the brain’s “lymph network” that cleans waste products from the brain during sleep at night. This connection explains why poor sleep is associated with the risk of neurological diseases.

The lymphatic system

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