introduction

Question 1

what is the function of the urinary system?

Answer 1

eliminate wastes, regulate blood volume and pressure and pH, control levels of electrolytes and metabolites

Question 2

function of kidneys

Answer 2

produce urine-> nephrons, filtering fluid to maintain electrolyte and fluid balance

Question 3

what two tubes exits the kidneys

Answer 3

ureters

Question 4

function of ureters

Answer 4

transport urine to bladder. when ureters swell, smooth muscle layer muscularis contracts in waves called peristalsis, propelling urine into the bladder.

Question 5

bladder

Answer 5

temporary storage sack of urine. contracts and expands in regards to urine volume

Question 6

three layers of bladder wall

Answer 6

mucosa- inner layer
detrusor muscle
fibrous covering - outer layer

Question 7

what happens to the detrusor muscle when bladder fills with urine

Answer 7

detrusor muscle contracts squeezing on the urine in the bladder to produce micturition.

Question 8

urethra

Answer 8

tube responsible for transporting urine outside the body

Question 9

orders of urinary system organs

Answer 9

kidneys-> ureters->bladder->urethra

Question 10

which parts of the kidney contain nephrons

Answer 10

cortex and medulla

Question 11

pelvis

Answer 11

funnel shaped tube continuous with the ureter

Question 12

what is the renal pelvis

Answer 12

The area at the center of the kidney. Urine collects here and is funneled into the ureter

Question 13

kidneys filter entire plasma how many times per day?

Answer 13

60

Question 14

male urethra double function

Answer 14

carry semen and urine out of body

Question 15

urethra has two sphincters?

Answer 15

internal and external urethral sphincter

Question 16

the internal urethral sphincter is …

Answer 16

involuntarily controlled-> autonomic

Question 17

the external urethral sphincter is..

Answer 17

voluntarily controlled -> somatic