The lymphatic system acts as a drainage pathway in the body, collecting excess interstitial fluid, waste products, and other substances from the tissues. Lymphatic capillaries gather this fluid, which is then transported through lymphatic vessels and filtered by lymph nodes. The cleaned lymph eventually returns to the bloodstream, contributing to fluid balance, waste removal, and immune defense. ❌A sluggish lymphatic system can lead to fluid retention, compromised immune function, recurring infe