excretory system -loop of henle Flashcards

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
how many kidneys do we have
2
26
what shape is the kidney
bean shaped
27
what size is the kidney
fist
28
describe the location of the kidneys
surrounded by fat, left kidney is higher than the right; lumbar region
29
which kidney is higher
left
30
what region are the kidney located it
lumbar
31
can you live without kidneys
no
32
how many liters of blood a day do the kidneys filter
2,000 liters
33
what type of blood goes in the kidneys
dirty blood
34
what type of blood comes out of the kidneys
clean
35
renal artery
carries "dirty blood" into kidneys
36
renal vein
carries "clean blood" out of the kidneys
37
how many uriter(s) do we have
2
38
how long are the uriters
10"
39
structure of ureters
smooth muscle
40
function of ureters
connects the kidneys to the bladder
41
what is the problem in a urinary track infection
urine isnt coming out; urine drips out
42
symptoms of a urinary track infection
painful to go to the bathroom, fever, cloudy urine
43
how to prevent a urinary track infection
cranberry juice, H2O, go to the bathroom, prescription meds to cure
44
kidney stones
hardened urine
45
how can a doctor get a kidney stone out
drink water or lithotripsy (laser)
46
what is it called when a laser is used to remove a kidney stone
lithotripsy
47
structure of bladder
elastic tissue sac
48
how much urine does the bladder hold TOTAL
600ml
49
how much does the bladder hold until you feel the sensation to have to urinate
150ml
50
where do you feel the sensation of the bladder
sacral region
51
what is the urethra
tube/opening from the bladder to the outside of the body
52
external sphincter
voluntary skeletal muscle in the urethra
53
internal sphincter
involuntary muscle in the urethra
54
what muscle is involved with potty training
external sphincter
55
micturition
release of urine from the body
56
what is the usual amount of urine released per day
2.5 liters
57
where is the micturition center
sacral area
58
what is the science behind the sensation you feel when you have to urinate
pressure of bladder on cauda equina (nerves)
59
what are diarrhetic
chemicals that increase micturition
60
examples of diarrhetics
coffee, tea, lasix
61
nephrons
microscopic filtering units in the kidneys
62
glomerulus
clumps of capillaries (filtration) works w/ bomans capsule
63
how much water does the loop of henle reabsorb
119 liters out of 120
64
what happens if the loop of henle is not working
dehydration
65
describe the filtration process of blood
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