unit 12 urinary system anatomy and physiology questions

which structure of the kidney allows water, salt, sugar, and urea to leave the blood stream during filtration?

glomerulus

what is the basic structural and functional unit of the kidney?

nephron

what are the three regions of the kidney?

renal cortex, renal medulla, renal pelvis

before entering the ureters, where does urine collect?

renal medulla

where in the kidneys does reabsorption occur?

renal tubules in the renal cortex

what 2 structures form the trigone of the urinary bladder?

the ureteral openings and the internal opening of the urethra

what is the purpose of the urethral sphincters?

to control the flow of urine

what structure carries urine from the kidney to the urinary bladder?

ureters

this structure carries both urine and semen in the male.

urethra

what is filtrate?

water, sugar, salts, urea, smaller amino acids, and other wastes that have been filtered out of the bloodstream by the kidneys