urinary system

Question 1

What is an example of a nitrogenous waste product?

Answer 1

urea

Question 2

Which is the best definition of excretion?

Answer 2

removing metabolic wastes created by the cells

Question 3

Which is a purpose of the urinary system?

Answer 3

to filter the blood and excrete nitrogenous waste product

Question 4

how does the urinary system help our body to maintain homeostasis?

Answer 4

regulates the content of water and other substances in our blood

Question 5

Which organ is responsible for the excretion of CO2?

Answer 5

lungs

Question 6

Which is true of the kidneys

Answer 6

there are 2; they are behind the stomach and liver

Question 7

Which is not a part of the urinary system?

Answer 7

liver

Question 8

Where is the urea made?

Answer 8

liver

Question 9

Urea is a broken down form of an extremely toxic nitrogenous waste product known as

Answer 9

ammonia

Question 10

which organ filters urea out of the blood?

Answer 10

kidneys

Question 11

Which is true of the liver’s role in maintaining nitrogenous waste homeostasis?

Answer 11

the liver receives ammonia from the bloodstream and converts it into urea

Question 12

Which should not be found in our urine?

Answer 12

white blood cells

Question 13

How many nephrons are found in each kidney?

Answer 13

1,000,000

Question 14

Specific parts inside the kidneys that filter blood

Answer 14

nephrons

Question 15

inside the penis in a male body

Answer 15

urethra

Question 16

muscular sac that stores urine

Answer 16

urinary bladder

Question 17

specific part inside the kidneys that produce urine

Answer 17

nephrons

Question 18

tube that connects the urinary bladder to the outside world

Answer 18

urethra

Question 19

blood vessel of the kidney that carries blood with urea in it to the kidneys

Answer 19

renal arteries

Question 20

blood vessel of the kidney that carries clean blood with no urea away from the kidneys

Answer 20

renal veins

Question 21

the darker colored inner layer of the kidney

Answer 21

renal medulla

Question 22

tiny tubes inside the kidney

Answer 22

nephrons

Question 23

carries urine from the kidneys to the urinary bladder

Answer 23

ureter

Question 24

funnel-like structure of the kidney that collects urine

Answer 24

renal pelvis

Question 25

narrow tubes below the kidneys

Answer 25

ureter

Question 26

the lighter-colored outer layer of the kidney

Answer 26

renal cortex

Question 27

the segments of the renal medulla

Answer 27

renal pyramid

Question 28

the functional unit of your kidneys

Answer 28

nephrons

Question 29

the first part of the renal tubule

Answer 29

proximal convoluted tubule

Question 30

the middle part of the renal tubule

Answer 30

loop of henle

Question 31

the last part of the renal tubule

Answer 31

distal convoluted tubule

Question 32

what the renal artery splits into

Answer 32

glomerulus

Question 33

found inside the bowman's capsule

Answer 33

glomerulus

Question 34

the part of the renal tubule shaped like a U

Answer 34

loop of henle

Question 35

the start of the nephron

Answer 35

bowman's capsule

Question 36

where filtration of the blood begins

Answer 36

bowman's capsule

Question 37

a ball of blood vessels

Answer 37

glomerulus

Question 38

creates filtrate

Answer 38

bowman's capsule

Question 39

delivers unfiltered blood to the nephron

Answer 39

renal artery

Question 40

gathers urine from all of the nephrons

Answer 40

collecting ducts

Question 41

removes filtered blood from all of the nephrons

Answer 41

renal vein

Question 42

sends urine to the ureters

Answer 42

collecting ducts

Question 43

shaped like a cup

Answer 43

bowman's capsule

Question 44

removes 20% of blood plasma volume

Answer 44

bowman's capsule

Question 45

adds waste from the blood to filtrate in the renal tubule

Answer 45

secretion

Question 46

creates filtrate

Answer 46

filtration

Question 47

determines how clear or dark your urine is

Answer 47

reabsorption

Question 48

filters out 20% of plasma volume into filtrate

Answer 48

filtration

Question 49

90% of filtrate passes back into the bloodstream

Answer 49

reabsorption

Question 50

accidentally removes water and nutrients from the blood that our body still needs

Answer 50

filtration

Question 51

occurs in the bowman's capsule

Answer 51

filtration

Question 52

sometimes happens in the distal convoluted tubule (if ADH is present)

Answer 52

reabsorption

Question 53

always happens in the proximal convoluted tubule and loop of henle

Answer 53

reabsorption

Question 54

occurs through the entire renal tubule

Answer 54

secretion

Question 55

counteracts the work of filtration

Answer 55

reabsorption

Question 56

pressure is put on blood, forcing water and waste from the glomerulus into the bowman's capsule

Answer 56

filtration

Question 57

the nephron's last chance to pass waste product from the bloodstream into filtrate

Answer 57

secretion

Question 58

removes important substances from the filtrate and returns them to the blood

Answer 58

reabsorption