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Across 3. Muscular sac that temporarily stores urine until voided 8. Series of specialized capillary loops that filter water and waste products from blood to make urine 9. "Working" unit of the kidney, where urine is actuall formed from blood 10. This process allows substances such as K+ and H+ to move from the blood to urine to maintain pH 11. Normal urine output is _______ cc's per/hour. 12. Hormone that is produced by the kindey that regulates blood flow, glomerular filtration rate and blood pressure 14. Outer fibrous tissue of kidney 17. Tube that eliminates urine from the body 18. Outer tissue layer 19. Supplies blood to the kidney 20. These organs filter waste products for elimination 21. This arteriole delivers blood to the nephron

Down 1. First process in urine formation 2. The kidney is the second line of defene for the body's acid/base __________? 4. This hormone increases membrane permeability to water and enhances water reabsorption. 5. This arteriole takes blood away from the glomerulus 6. This hormone triggers RBC production in the bone marrow 7. Area in which the renal artery and nerve plexus enter and the renal vein and ureter exit 12. As the filtrate passes through the tubular parts of the nephron, most of the water and electrolytes are ______________. 13. Hormone that increaseskidney reabsorption of Na+ and H2O, restoring BP, blood volume and Na+ levels 13. This hormone promotes the reabsorption of sodium 15. Cup-like structure that collects urine at the end of each papilla 16. Hollow tubes that connect the kidneys to the urinary bladder