Kidneys and urinary process. Squander supplies from the body tissues are filtered out through the blood as it flows throughout the kidneys. The squander then leaves the body in the form of urine. Most important lymphedema (exceptional): Some people are born with no specified lymph vessels or have abnormalities in them. https://www.sgvascularctr.com/a-comprehensive-approach-to-lymphoedema-treatment-a-vascular-surgeons-perspective/