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Biology qt4 > excretory system -loop of henle > Flashcards

excretory system -loop of henle Flashcards

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1
Q

what is the excretory system

A

the removal of wastes from the body

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2
Q

what can happen if wastes build up

A

it can poison u

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3
Q

what does the excretory system release

A

sweat, H2O, urine

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4
Q

deamination

A

protein break down

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5
Q

what is the excretory system the result of

A

protein break down

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6
Q

functions of excretory system

A

regulates electrolytes and H2O, helps synthesis Vitamin D>calcium, affects blood volume, regulates ph concentration, RBC concentration, HOMEOSTASIS

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7
Q

what is a normal blood ph concentration

A

7.35-7.45

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8
Q

what triggers Vitamin D

A

sun

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9
Q

where is urea found

A

aquatic animals, diluted in ocean

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10
Q

is urea poisonous

A

yes

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11
Q

what do aquatic animals secrete

A

urea

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12
Q

what consistency is uric acid crystals

A

paste

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13
Q

where are uric acid crystals found

A

insects, snakes, birds

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14
Q

function of uric acid crystals

A

helps prevent animals from dehydration, conserves water

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15
Q

is urine poisonous

A

no

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16
Q

formula for urine

A

non-poisonous urea+ H2O

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17
Q

where is urine found

A

terrestrial animals

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18
Q

function of kidneys

A

release urine

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19
Q

can you live without kidneys

A

can live w/ one but two is better

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20
Q

where are the kidneys

A

lower back

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21
Q

what does the skin release when your hot

A

sweat

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22
Q

function of skin

A

maintain homeostasis (98.6°)

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23
Q

what type of sweat leaves stains

A

fear sweat

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24
Q

function of lungs

A

release of CO2 and H2O

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25
Q

how many kidneys do we have

A

2

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26
Q

what shape is the kidney

A

bean shaped

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27
Q

what size is the kidney

A

fist

28
Q

describe the location of the kidneys

A

surrounded by fat, left kidney is higher than the right; lumbar region

29
Q

which kidney is higher

A

left

30
Q

what region are the kidney located it

A

lumbar

31
Q

can you live without kidneys

A

no

32
Q

how many liters of blood a day do the kidneys filter

A

2,000 liters

33
Q

what type of blood goes in the kidneys

A

dirty blood

34
Q

what type of blood comes out of the kidneys

A

clean

35
Q

renal artery

A

carries “dirty blood” into kidneys

36
Q

renal vein

A

carries “clean blood” out of the kidneys

37
Q

how many uriter(s) do we have

A

2

38
Q

how long are the uriters

A

10”

39
Q

structure of ureters

A

smooth muscle

40
Q

function of ureters

A

connects the kidneys to the bladder

41
Q

what is the problem in a urinary track infection

A

urine isnt coming out; urine drips out

42
Q

symptoms of a urinary track infection

A

painful to go to the bathroom, fever, cloudy urine

43
Q

how to prevent a urinary track infection

A

cranberry juice, H2O, go to the bathroom, prescription meds to cure

44
Q

kidney stones

A

hardened urine

45
Q

how can a doctor get a kidney stone out

A

drink water or lithotripsy (laser)

46
Q

what is it called when a laser is used to remove a kidney stone

A

lithotripsy

47
Q

structure of bladder

A

elastic tissue sac

48
Q

how much urine does the bladder hold TOTAL

A

600ml

49
Q

how much does the bladder hold until you feel the sensation to have to urinate

A

150ml

50
Q

where do you feel the sensation of the bladder

A

sacral region

51
Q

what is the urethra

A

tube/opening from the bladder to the outside of the body

52
Q

external sphincter

A

voluntary skeletal muscle in the urethra

53
Q

internal sphincter

A

involuntary muscle in the urethra

54
Q

what muscle is involved with potty training

A

external sphincter

55
Q

micturition

A

release of urine from the body

56
Q

what is the usual amount of urine released per day

A

2.5 liters

57
Q

where is the micturition center

A

sacral area

58
Q

what is the science behind the sensation you feel when you have to urinate

A

pressure of bladder on cauda equina (nerves)

59
Q

what are diarrhetic

A

chemicals that increase micturition

60
Q

examples of diarrhetics

A

coffee, tea, lasix

61
Q

nephrons

A

microscopic filtering units in the kidneys

62
Q

glomerulus

A

clumps of capillaries (filtration) works w/ bomans capsule

63
Q

how much water does the loop of henle reabsorb

A

119 liters out of 120

64
Q

what happens if the loop of henle is not working

A

dehydration

65
Q

describe the filtration process of blood

A

dirty blood enters through the renal artery, goes into the bomans capsule, the bomans and glomerulus have tug of war which causes filtration, it goes down to the loop of henle, water is reabsorbed, then the clean blood goes into the renal vein

Biology qt4 (9 decks)

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