Functions of the Kidney

Q. The principal nitrogenous excretory compound in humans is synthesised:

1. In kidneys but eliminated mostly through liver
2. In kidneys as well eliminated by kidneys
3. In liver and also eliminated by the same through bile
4. In the liver, but eliminated mostly through kidneys

Q. The human kidney

1. Is responsible for the storage of nutrients such as glycogen
2. Concentrates the urine by actively transporting water out of the filtrate
3. Produces more dilute urine when the collection ducts become less permeable to water
4. Responds to antidiuretic hormone by incrasing urine output