Urinary System

4. The functional unit of the kidney
5. The _________ loop of Henle is highly permeable to water but impermeable to solutes
7. Cells that cover the outer surfaces of glomerular capillaries
8. Loop of Henle works by _____________ exchange with surrounding tissues to create osmotic gradient
11. The muscular sac that stores urine
12. Tiny blood vessels surrounding the nephron
14. When the brain releases ADH, ________ are inserted in the collecting duct
16. Bean-shaped organs which acts as the natural filter of the body
18. _______ increase the surface area of the epithelial cells of the proximal tubule
20. A tube that connects the kidney to the urinary bladder; there are 2 of them
21. The process through which the body maintains a constant internal environment

1. Substance capable of inhibiting sodium cotransporters in proximal tubule
2. Chemical signals that coordinate the different parts of a multicellular organism
3. Water and solutes are reabsorbed in the ________ _______ by active transport
6. The renal corpuscle is made up of the ______ _______ and the glomerulus
9. Nitrogenous waste product that mammals use
10. The __________ is the middle layer of the kidney
13. Movement of molecules by diffusion from a high to low concentration
15. A small tube in which urine leaves the body through
17. Increased urine production
19. The _______ is the outer layer of the kidney