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Biology 20 > Excretion System > Flashcards

Excretion System Flashcards

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1
Q

Large Intestine

A

Removes toxic waste

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2
Q

Liver

A

1) converts toxins into soluble compounds
2) Destroys old RBC by converting hemoglobin into bile
3) removes nitrogen wastes produces urea

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3
Q

Lungs

A

Removes CO2

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4
Q

Kidney

A

1) removes waste such as urea
2) balances blood PH
3) maintains water balance in blood
Cortex - filtration
Medulla- reabsorbtion
Renal pelvis - secretion

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5
Q

Skin

A

maintains heat by producing sweat

sweat helps to excrete water

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6
Q

Ureter

A

Brings waste to bladder

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7
Q

Urinary Bladder

A

Temporary urine storage

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8
Q

Urethra

A

Brings waste from bladder out of system

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9
Q

Renal Artery

A

Brings oxygenated blood to kidneys

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10
Q

Efferent Arteriole

A

Leaves glomerulus takes the blood to the capillary net

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11
Q

Afferent Arteriole

A

Brings blood to glomerulus from the renal Artery

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12
Q

Renal vein

A

Brings deoxygenated blood back into the heart

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13
Q

Glomerulus

A

Ball of capillaries- site of pressure filtration

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14
Q

Bowman s’ Capsule

A

Surrounds the Glomerulus, fluid from the blood that are to be urine enter the nephron here ( filtration )

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15
Q

Proximal Tubule

A

( near to Bowman’s capsule)

important for reabsorbtion

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16
Q

Distal Tubule

A

( distanced from the Bowman’s capsule)
leads to collecting duct
Site of secretion

17
Q

Collecting Duct

A

Collects urine from many nephron And empties waste to renal pelvis

18
Q

Renal Pelvis

A

Collecting site for all nephron, empties waste out to ureter (secretion)

19
Q

Nephron

A

Filters blood makes urine

20
Q

Deamination

A

amino acids ( nitrogen and hydrogen ) is removed.
occurs in the liver
used to produce ammonia

21
Q

urea

A

a compound of nitrogen that is dissolved in the urine

22
Q

ADH

A

Stored in the pituitary gland which releases it into blood

hormone that absorbs water

23
Q

Aldosterone

A

Produced in adrenal gland

Conserves sodium

24
Q

Kidney Dialysis

A

Cleaning of blood

25
Q

Hemodialysis

A

1-Blood is pumped to a machine/filter (artificial kidney)
2-Wastes diffuse from the blood into a solution low in solute
3-Cleaned blood is pumped back into the arm

26
Q

Diabetes Insipidus

A

Water is not being absorbed by ADH hormone

Huge urine output

Biology 20 (2 decks)

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