Functions
Another word for eliminating wastes?
excretion
What are the primary organs of the urinary system?
Kidneys
What is a nephron loop?
the structural and functional units that form urine
Where are arcuate arteries located?
over pyramids
What is another term for too much urine?
polyuria
What is converted to Urea?
Nitrogenous wastes
What passes urine to the trigone?
ureters
What is the U shape of the nephron called?
nephron loop or loop of Henle
Which arteriole flows blood into the glomerulus?
afferent arteriole
What is considered normal volume of urine?
1 to 2 L/day
What is regulated?
Water electrolytes and acid-base balance
Where are the kidneys located?
abdominal cavity
What are the main structures of nephrons?
glomerulus, glomerular (Bowman's) capsule, renal tubule and peritubular capillaries
What is the name of the artery/vein throughout the nephron?
Cortical radiate
What is it called when small blood vessels leak fluid into nearby tissues?
Edema
The nitrogenous waste (creatinine) helps with what?
Liver function
What does each kidney lobe contain?
a pyramid
What processes filtrate into urine?
renal tubule
What happens during water conservation?
concentrates wastes by returning water to blood
Ph range of urine?
4.5-8.2
What do kidneys secrete?
Renin and erythropoietin
What kind of muscle is the external urethral sphincter?
voluntarily controlled Skeletal muscle
The region of the kidney where most nephrons are found?
the cortex
What artery flows blood up into the cortex?
interlobular arteries
Diuretics are used for?
hypertension and congestive heart failure