Does The Kidney Excrete Urine. Urine is 95 water. The urine flows out of the nephron tubule into a collecting duct.
Two bean shaped excretory organs that filter wastes. The urine flows out of the nephron tubule into a collecting duct. The kidneys are the only means for eliminating the wastes that are the end products of protein metabolism.
Control of urine oxalate excretion by fredric coe md although seemingly devoid of biological importance in humans oxalate traces a curiously elaborated path in and out of the body.
Conversely when there is a deficit of water and extracellular fluid osmolarity is high the kidney can excrete urine with a concentration of 1200 to 1400 mosm l. On one end of the ureters is a funnel shaped expansion called the renal pelvis where urine collects. Control of urine oxalate excretion by fredric coe md although seemingly devoid of biological importance in humans oxalate traces a curiously elaborated path in and out of the body. Equally important the kidney can excrete a large volume of dilute urine or a small volume of concentrated urine without major changes in rates of excretion of solutes such as sodium and potassium.