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Anatomy > urinary system > Flashcards

urinary system Flashcards

1
Q

What is an example of a nitrogenous waste product?

A

urea

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2
Q

Which is the best definition of excretion?

A

removing metabolic wastes created by the cells

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3
Q

Which is a purpose of the urinary system?

A

to filter the blood and excrete nitrogenous waste product

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4
Q

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

A

regulates the content of water and other substances in our blood

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5
Q

Which organ is responsible for the excretion of CO2?

A

lungs

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6
Q

Which is true of the kidneys

A

there are 2; they are behind the stomach and liver

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7
Q

Which is not a part of the urinary system?

A

liver

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8
Q

Where is the urea made?

A

liver

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9
Q

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

A

ammonia

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10
Q

which organ filters urea out of the blood?

A

kidneys

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11
Q

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

A

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

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12
Q

Which should not be found in our urine?

A

white blood cells

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13
Q

How many nephrons are found in each kidney?

A

1,000,000

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14
Q

Specific parts inside the kidneys that filter blood

A

nephrons

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15
Q

inside the penis in a male body

A

urethra

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16
Q

muscular sac that stores urine

A

urinary bladder

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17
Q

specific part inside the kidneys that produce urine

A

nephrons

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18
Q

tube that connects the urinary bladder to the outside world

A

urethra

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19
Q

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

A

renal arteries

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20
Q

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

A

renal veins

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21
Q

the darker colored inner layer of the kidney

A

renal medulla

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22
Q

tiny tubes inside the kidney

A

nephrons

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23
Q

carries urine from the kidneys to the urinary bladder

A

ureter

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24
Q

funnel-like structure of the kidney that collects urine

A

renal pelvis

25
Q

narrow tubes below the kidneys

A

ureter

26
Q

the lighter-colored outer layer of the kidney

A

renal cortex

27
Q

the segments of the renal medulla

A

renal pyramid

28
Q

the functional unit of your kidneys

A

nephrons

29
Q

the first part of the renal tubule

A

proximal convoluted tubule

30
Q

the middle part of the renal tubule

A

loop of henle

31
Q

the last part of the renal tubule

A

distal convoluted tubule

32
Q

what the renal artery splits into

A

glomerulus

33
Q

found inside the bowman’s capsule

A

glomerulus

34
Q

the part of the renal tubule shaped like a U

A

loop of henle

35
Q

the start of the nephron

A

bowman’s capsule

36
Q

where filtration of the blood begins

A

bowman’s capsule

37
Q

a ball of blood vessels

A

glomerulus

38
Q

creates filtrate

A

bowman’s capsule

39
Q

delivers unfiltered blood to the nephron

A

renal artery

40
Q

gathers urine from all of the nephrons

A

collecting ducts

41
Q

removes filtered blood from all of the nephrons

A

renal vein

42
Q

sends urine to the ureters

A

collecting ducts

43
Q

shaped like a cup

A

bowman’s capsule

44
Q

removes 20% of blood plasma volume

A

bowman’s capsule

45
Q

adds waste from the blood to filtrate in the renal tubule

A

secretion

46
Q

creates filtrate

A

filtration

47
Q

determines how clear or dark your urine is

A

reabsorption

48
Q

filters out 20% of plasma volume into filtrate

A

filtration

49
Q

90% of filtrate passes back into the bloodstream

A

reabsorption

50
Q

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

A

filtration

51
Q

occurs in the bowman’s capsule

A

filtration

52
Q

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

A

reabsorption

53
Q

always happens in the proximal convoluted tubule and loop of henle

A

reabsorption

54
Q

occurs through the entire renal tubule

A

secretion

55
Q

counteracts the work of filtration

A

reabsorption

56
Q

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

A

filtration

57
Q

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

A

secretion

58
Q

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

A

reabsorption

Anatomy (13 decks)

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