Chiropractic is a health care profession that focuses on the relationship between the body's structureâmainly the spineâand its functioning.
The nephron, the functional unit of the kidney, is responsible for removing waste from the body. Each kidney is composed of over one million nephrons that dot the renal cortex, giving it a granular appearance when sectioned sagittally (from front to rear).
The nephron is the functional unit of the kidney. 1  Secretion of erythropoietin, which regulates red blood cell production in the bone marrow. 2  Secretion of renin, which is a key part of the reninâangiotensinâaldosterone system.  Secretion of the active form of vitamin D (calcitriol) and prostaglandins.