Dirty lymph fluid when collected travels along the lymphatic system then back into the blood and through the heart. You can collect up to 2.5 litres of fluid per day. You can see lymph, it is the clear, pale yellow fluid that weeps from a wound after bleeding.
Cottonwood is a city in Idaho County, Idaho, United States. Located on the Camas Prairie, the population was 900 at the 2010 census, down from 944 in 2000. It is just west of U.S. Route 95, between Grangeville and Lewiston.
1 The largest known Cottonwood in Kansas grows near Studley, Kansas in Sheridan County. In 2008, it was 97 feet tall with a spread of 157 feet and a trunk circumference of 35 feet.  Cottonwood Trees are either male or female. The males produce the pollen which fertilizes the female flowers.