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Zoology Midterms > Lab: Respiratory System of Frog > Flashcards

Lab: Respiratory System of Frog Flashcards

1
Q

is a form of respiration in which gas exchange occurs across the skin or outer integument of the frog rather than the lungs.

A

Cutaneous repiration

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2
Q

What do you call winter sleep?

A

hibernation

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3
Q

What do you call summer sleep?

A

aestivation

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4
Q

where does mouth respiration occurs?

A

buccopharyngeal cavity

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5
Q

consists of mucous membrane and rich supplied with blood capillaries

A

buccal cavity

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6
Q

Two phases of respiratory mechanism

A

inspiration and expiration

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7
Q

takes place at the buccopharyngeal cavity

A

bucco-pharyngeal respiration

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8
Q

consists of moist mucus membrane and richly supplied with blood capillaries

A

buccal cavity

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9
Q

is a slender ring surrounding the larynx

A

cricoid cartilage

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10
Q

how do frogs croak?

A

breathing then closing its nostrils

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11
Q

what epithelium covers the inner surface of alveoli

A

single layer of epithelial cells

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12
Q

The breathing that takes place on land in the atmospheric air by the help of lung

A

pulmonary respiration

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13
Q

median-slit like glottis on the floor of pharynx opening into the larynx

A

laryngo-tracheal chamber

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14
Q

is a small sac whose walls are supported by two arytenoid and one cricoid cartilages

A

larynx

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15
Q

what includes the respiratory tract

A

external nostrils, nasal chambers, internal nostrils, bucco-pharyngeal cavity, glottis, laryngo-tracheal chamber, and pair of bronchi.

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16
Q

many chambers of lungs

A

alveoli

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17
Q

how do air enters and leaves the lungs

A

respiratory tract

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18
Q

what other type of organ is the lungs of the frog that enables them to float in whater.

A

hydrostatic organ

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19
Q

what supports the wall of pharynx?

A

two arytenoid and one cricoid cartilage

20
Q

are pair of semilunar valves which rest upon the cricoid cartilage

A

arytenoid cartilage

21
Q

how is lungs separated from each other?

A

septa

22
Q

What organ is responsible for respiration when frog is in deep sleep?

A

Skin

23
Q

During gaseous exchange the ____ first dissolves in moisture present over the body and the diffuses into the _________ circulating in the___________

A

Oxygen, blood, blood capillaries

24
Q
A
25
Q

Are movements required when cutaneous respiration?

A

No since the skin is always exposed to air or water.

26
Q

What specific skin of the frog do gas exchange occur

A

Outer integument

26
Q

What does cutaneous means?

A

Breathing through the skin

27
Q

How does carbon dioxide pass out from the blood to its surunding medium? In whta method?

A

Diffusion

28
Q

What do buccal cavity consist of?

A
  • moist mucuos membrane
  • richly supplied blood capillaries
29
Q

Muscle that lies below the mouth cavity. It connects hyoid and sternum when it contracts,

A

Sternohyal

30
Q

The buccal cavity absorb oxgen through contraction and expansion of?

A

Sternohyals and petrohyals

31
Q

Where does oxygen dissolvs in bucco-pharyngeal respiration?

A

moist Mucous cavity

32
Q

Where does the waste product CO2 passes out in bucoo-pharyngeal expiration?

A

External nares.

33
Q

Muscle lie outside the mouth cavity and the upper and lower ends connect squamosal bone and hyoid respectively

A

Petrohyals

34
Q

What resration do frogs uses when they are at water and when they are at land

A

Water- Cutaneous Respiration
Land- Pulmonary Respiration

35
Q

What is the oragn in aerial rspiration

A

Lungs

36
Q

What other type of organ is the lungs?

A

Hydrostatic organ

37
Q

a pair of thin walled, oval, hollow, soft and spongy elastic sacs.

A

Lungs

38
Q

How many layers doe the lungs have?

A

3

39
Q

This is a series of chambers that greatly increases the surface area to air for gaseous

A

Alveoli

40
Q

How are alveoli separated from each other

A

Septa

41
Q

Location of lungs

A

Anterior part of the body cavity, either side of the heart

42
Q

What happens during inhalation?

A
  • Contraction of the sternohyal muscle
  • Glottis open
  • Lifting of petrohyal muscle
43
Q

What happens during expiration

A
  • Air is kept in the lungs for short time
  • Glottis will open
  • Buccal floor is raised then glotti close and external nares are open
44
Q

Two phases of respiratory mechanism

A

Inhalation and expiration

45
Q

Trace the pathway of air from the atmosphere to the lungs

A

AIr enters the external nares then passes through the olfactiry canal. Then enters th internal nares then passes through t he buccal cavity and th glottis. Then passe through the larynx, and finally the lungs.

46
Q
A

Zoology Midterms (7 decks)

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