The human body is a complexly engineered system made up of several networks and pathways that cooperate to keep homeostasis. The vein of lymph is one such network that is frequently obscured by its more noticeable sibling. While the circulatory system depends on the veins and arteries, the immune system depends on the lymphatic system. In this post, we'll delve into the interesting world of the lymphatic vein—its composition, purposes, and relevance in warding off diseases and infections.