The kidney is made up of many integrated parts. The Functional Unit of Kidney. Structure Of A Nephron The Functional Unit Of The Kidney Biology Diagrams Basic Anatomy And Physiology Human Anatomy And Physiology The nephron is the microscopic structural and functional unit of the kidney. . False renal cortex _____ 3. The functional unit of the kidney is the nephron. Lets see it Youre looking for what is the functional unit of the kidney. Simply stated the blood passes. A nephron is the basic structural and functional unit of the kidneys that regulates water and soluble substances in the blood by filtering the blood reabsorbing. Kidneys are mainly composed of over one million nephrons and an extensive network of blood vessels and capillaries. Name and describe the functional unit of the kidney. The functional unit of the kidney is the nephron and it is called the functional unit because its the smallest stru