There are but a few blood purifiers and these are all in the body. We know them as the liver, kidneys, lungs, colon, and a few glands.
Herbert M. Shelton (1996). “Hygienic Review”, p.93, Health Research Books

There are but a few blood purifiers and these are all in the body. We know them as the liver, kidneys, lungs, colon, and a few glands.