urinary system

Question 1

function of kidneys

Answer 1

filter blood

Question 2

what do the kidneys help get rid of

Answer 2

electrolytes (sodium) and excess water

Question 3

what do the kidneys not filter

Answer 3

bacteria
blood
sugar
fat
protein

Question 4

location of kidneys

Answer 4

attached to back wall of abdominal cavity
right sits lower than left
in front of 12th rib, partially covered

Question 5

percentage of blood pumped every minute that goes through kidneys

Answer 5

20

Question 6

nephron

Answer 6

structural unit of the kidney

Question 7

how many nephrons inside kidney

Answer 7

1 million

Question 8

2 main components of kidney

Answer 8

renal corpsule

renal tubule

Question 9

3 steps to producing urine

Answer 9

filtration
reabsorption
secretion

Question 10

filtration

Answer 10

filters water; 125 ml per minute

Question 11

reabsorption

Answer 11

absorbs water nutrients and ions back into blood

Question 12

secretion

Answer 12

making urine and putting into bladder

Question 13

control of urine volume

Answer 13

posterior pituitary

ADH hormones

Question 14

ureters

Answer 14

drains urine from renal pelvis to urinary bladder

expanded upper end inside kidney

Question 15

urinary bladder

Answer 15

muscular bad
lined with mucous membrane
stores urine

Question 16

urethra

Answer 16

moves bladder out of body

lined with mucous membrane

Question 17

urinary meatus

Answer 17

opening of urethra to exterior

Question 18

micturition emptying reflex steps

Answer 18

fills up and stretches
bladder wall contracts
internal sphincter relaxes
external sphincter relaxes

Question 19

micturition

Answer 19

passage of urine from body

Question 20

2 types of regulatory sphincters

Answer 20

internal urethral sphincters

external urethral sphincters

Question 21

internal sphincters

Answer 21

bladder exit

involuntary

Question 22

external sphincter

Answer 22

voluntary

circles urethra below neck of bladder

Question 23

retention

Answer 23

bladder produced but not passed out of body

Question 24

suppression

Answer 24

no urine produced

Question 25

incontinence

Answer 25

trouble releasing urine

passing urine involuntary

Question 26

cystis

Answer 26

bladder infection

Question 27

overactive bladder

Answer 27

frequent urination