Thanks for your electrical wiring question Neil. How to Install and Connect Smoke Detector Electrical Wires. 1  A voltage tester is the best way to identify the electrical wiring as described in this question keeping the following in mind:
Function: Urine Formation and Excretion. Urine is composed of unwanted substances that have been filtered from the blood by nephrons, the functional units of the kidneys.The urine formed in the kidneys passes through the ureters and is temporarily stored in the bladder.unction: Urine Formation and Excretion. Urine is composed of unwanted substances that have been filtered from the blood by nephrons, the functional units of the kidneys.
(nÄf'rÅn) The functional unit of the kidney, in which waste products are filtered from the blood and urine is produced. The nephron consists of a system of tubules in close association with a network of blood vessels. As fluid that is filtered through the glomerulus of the nephron enters the tubules, its composition is gradually changed by the absorption and secretion of solutes, and it eventually leaves the nephron as urine.