What is the main purpose of the lymphatic system?

The main purpose of the lymphatic system is to restore fluid balance in the body. This system plays a crucial role in maintaining homeostasis by collecting excess interstitial fluid that accumulates in tissues and returning it to the bloodstream. This function is vital for preventing edema and ensuring that tissues remain properly hydrated. Additionally, the lymphatic system helps transport white blood cells, which are essential for immune responses, and assists in the absorption and transportation of fats and fat-soluble vitamins from the digestive system.

While transporting oxygen primarily involves the circulatory system and is not a function of the lymphatic system, aiding in digestion is more related to the gastrointestinal system. Hormone production is primarily a function of the endocrine system, not the lymphatic system. Understanding the lymphatic system's role highlights its importance in fluid balance and immune function within the body.