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Bio 11.1 [Zoology II] > Exercise 20: The Excretory System > Flashcards

Exercise 20: The Excretory System Flashcards

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1
Q

It refers to the process of removing nitrogenous metabolic wastes via organs of filtration.

A

excretion

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2
Q

Complete the sentence below:
Excretory organs also serve as _______________, removing excess fluids and salts.

A

osmoregulators

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3
Q

Identify the types of excretory organs.

A
  • protonephridia
  • metanephridia
  • antennal glands
  • malpighian tubules
  • kidneys
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4
Q

It is the excretory organ of flatworms.

A

protonephridia

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5
Q

It is the excretory organ of mollusks and annelids.

A

metanephridia

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6
Q

It is the excretory organ of mollusks and annelids.

A

metanephridia

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7
Q

It is the excretory organ of crustaceans.

A

antennal glands

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8
Q

It is the excretory organ of terrestrial arthropods.

A

malpighian tubules

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9
Q

It is the excretory organ of terrestrial arthropods.

A

malpighian tubules

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10
Q

Comlpete the sentence below:
In unicellular organisms, wastes are moved through diffusion at the ____________ or ____________.

A

cell membrane, epithelium

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11
Q

Identify the types of nitrogenous wastes.

A
  • ammonia
  • urea
  • uric acid
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12
Q

It is the excretory organ of cockroaches.

A

malpighian tubules

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13
Q

Which nitrogenous wastes do cockroaches excrete?

A

crystalline uric acid

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14
Q

In amphibians, it is the structure found dorso-lateral to the intestine, beneath the parietal peritoneum.

A

mesonephric kidneys

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15
Q

It refers to the space the mesonephric kidneys occupy.

A

cisterna magna (retroperitoneal space)

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16
Q

It refers to the space the mesonephric kidneys occupy.

A

cisterna magna (retroperitoneal space)

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17
Q

Complete the sentence below:
The mesonephric kidneys are also referred to as _______________.

A

retroperitoneal

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18
Q

Complete the sentence below:
The mesonephric kidneys are also referred to as _______________.

A

retroperitoneal

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19
Q

It is the structure lying on the lateral side of the mesonephric kidneys, descending posteriorly to the urinary bladder.

A

Wolffian (mesonephric) duct

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20
Q

Complete the sentence below:
In amphibians, contents of the urinary bladder exit into the ____________.

A

cloaca

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21
Q

Complete the sentence below:
The urinary bladder is found on the ____________ side of the pelvis.

A

ventral

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22
Q

Are yellow streaks on the ventral side of the mesonephric kidneys.

A

adrenal glands

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23
Q

Complete the sentence below:
In male specimens, the mesonephric kidneys are dorsal to the ____________.

A

testes

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24
Q

Complete the sentence below:
In amphibians, the mesonephric kidney section is ____________ dorsally and ____________ ventrally.

A

convex, concave

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25
Q

Are arranged in curves along the ventral length of the mesonephric kidney section.

A

malpighian bodies (renal corpuscles)

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26
Q

Are the primary filtration sites of the blood in the mesonephric kidney.

A

malpighian bodies (renal corpuscles)

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27
Q

Are the round mass of capillaries in renal corpuscles.

A

glomerulus

28
Q

Is the thin crest of squamous epithelia on the renal corpuscles.

A

Bowman’s capsule

29
Q

Are the tubules present in the mesonephric kidneys.

A
  • (coiled) uriniferous tubules
  • (round) collecting tubules
30
Q

Are the sites of susbtance reabsorption in mesonephric kidneys.

A

uriniferous tubules

31
Q

Are the sites of substance reabsorption in mesonephric kidneys.

A

uriniferous tubules

32
Q

Are tubules present next to the renal corpuscles.

A

uriniferous tubules

33
Q

Are tubules present next to the renal corpuscles.

A

(coiled) uriniferous tubules

34
Q

Are tubules present at the convex margin of the mesonephric kidney section.

A

collecting tubules

35
Q

Differentiate the structure of the lumen of uriniferous and collecting tubules.

A
  • uriniferous tubules - elongated lumen
  • collecting tubules - circular lumen
36
Q

Are tubules lined with cuboidal epithelia.

A

collecting tubules

37
Q

Complete the sentence below:
The tubules all converge at the _______________.

A

mesonephric duct

38
Q

Identify the 2 primary divisions of the metanephric kidney.

A
  • cortex
  • medulla
39
Q

Complete the sentence below:
The cortex houses the _______________.

A
  • renal corpuscles
  • distal and proximal tubules
40
Q

Complete the sentence below:
The cortex houses the _______________.

A
  • renal corpuscles
  • distal and proximal tubules
41
Q

Complete the sentence below:
The medulla houses the ____________.

A
  • descending and ascending limb of the loop of Henle
  • collecting tubules
42
Q

Complete the sentence below:
The collecting tubules terminate at the _______________.

A

renal papilla

43
Q

Complete the sentence below:
In the pig, the individual renal papillae converge to form the _______________.

A

renal pelvis

44
Q

The number of renal papilla in cats.

A

1

45
Q

Complete the sentence below:
The renal pelvis tapers to form the _______________.

A

metanephric duct (ureter)

46
Q

It refers to the concavity of the metanephric kidney.

A

hilus

47
Q

It is where the ureter emerges.

A

hilus

48
Q

It is where the renal arteries and veins enter the kidney.

A

hilus

49
Q

Identify the pathway of urine through the excretory system of amphibians.

A

malpighian bodies (renal corpuscles) -> uriniferous tubules -> collecting tubules -> wolffian (mesonephric) duct -> urinary bladder -> cloaca -> cloacal opening

50
Q

Identify the pathway of urine through the excretory system of mammals.

A

renal corpuscles -> proximal tubule -> descending limb of the loop of Henle -> ascending limb of the loop of Henle -> distal tubule -> collecting tubule -> renal papilla -> renal pelvis -> ureter (metanephric duct) -> urinary bladder -> urethra

51
Q

Are the nitrogenous wastes of flatworms.

A

ammonia

52
Q

Are the nitrogenous wastes of mollusks.

A

ammonia

53
Q

Are the nitrogenous wastes of crustaceans.

A

ammonia

54
Q

Are the nitrogenous wastes of terrestrial arthropods.

A

uric acid

55
Q

Are the nitrogenous wastes of terrestrial arthropods.

A

uric acid

56
Q

Are the nitrogenous wastes of fishes.

A

ammonia

57
Q

Are the nitrogenous wastes of amphibians.

A

urea

58
Q

Are the nitrogenous wastes of reptiles.

A

uric acid

59
Q

Are the nitrogenous wastes of birds.

A

uric acid

60
Q

Are the nitrogenous wastes of mammals.

A

urea

61
Q

Is the excretory organ of fishes.

A

mesonephric kidneys

62
Q

It is the excretory organ of fishes.

A

mesonephric kidneys

63
Q

It is the excretory organ of reptiles.

A

mesonephric kidneys

64
Q

It is the excretory organ of reptiles.

A

mesonephric kidneys

65
Q

It is the excretory organ of birds.

A

metanephric kidneys

66
Q

Why are mesonephric kidneys also termed as retroperitoneal?

A

due to their location (beneath the parietal peritoneum)

Bio 11.1 [Zoology II] (5 decks)

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