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zoology lab pre fi > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

1
Q

In closed circulatory system where does blood stays?

A

Blood vessels

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2
Q

Blood is separated from?

A

body tissues

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3
Q

This system has a heart that pumps blood through a
continuous circulation pattern.

A

Closed circulatory system

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4
Q

Two parts of the circulatory system of frogs

A

cardiovascular system and
lymphatic system

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5
Q

The main function of this system is to supply oxygen and nutrients to the tissues and to aid in the elimination of metabolic wastes

A

cardiovascular system

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6
Q

The main function of this system is drain the remaining plasma to the heart

A

lymphatic system

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7
Q

how many chambers does the heart of the frog has?

A

three

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7
Q

situated mid-ventrally in the anterior part of the body cavity in between two lungs

A

Heart

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8
Q

Describe the heart

A

dark red colored conical muscular organ

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9
Q

how is the heart situated?

A

mid-ventrally

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9
Q

Two membranes of the heart

A

inner epicardium and outer pericardium

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10
Q

What do you call the space between two membranes enclosing the heart.

A

Pericardial cavity

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11
Q

What fills the Pericardial cavity?

A

Pericardial fluid

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12
Q

Functions of pericardial cavity

A
  • Protects the heart from mechanical injury
  • Keeps the heart moist
  • Allows the free movement during beating
  • Also keeps in keeping the heart suspended in its proper position
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13
Q

Structure of the frog’s heart

A

triangular

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14
Q

Anterior broader part of the frog’s heart

A

Auricles

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15
Q

What separates the auricles?

A

Interauricular groove / septum

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16
Q

How many chambers does auricle has?

A

two chambers

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17
Q

posterior pointed part of the frog’s heart

A

ventricle

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18
Q

number of chambers of the ventricle

A

one

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18
Q

how is ventricle separated from auricle?

A

coronary sulcus

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19
Q

What is the most important part of the heart?

A

Ventricle

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20
Q

Describe the ventricle

A

thick muscular walls

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21
Q

What are the two additional chambers of the frog’s heart?

A

sinus venosus and truncus arteriosus

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22
Q

a tubular structure arise from the right side of the ventricle

A

truncus arteriosus

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23
Q

On the dorsal surface of the heart, what will fuse to form wide chamber

A

Two precaval and a postcaval

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23
Q

thin walled dark colored triangular structure which opens into the right auricle

A

Sinus venosus

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24
Q

receives deoxygenated blood from all parts of the body

A

Sinus venosus

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24
Q

How many branches does truncus arteriosus divides to have two branches to form aortic trunks

A

Two

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25
Q

Aortic trunk is consists of?

A

carotid arch
systemic arch
pulmonary arch

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26
Q

What consists the blood vessels

A

veins, arteries and capillaries

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27
Q

These are System of pipelines through which blood flow

A

Blood vessels

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28
Q

Blood vessels has three layers which are?

A

– tunica externa
– tunica media
– tunica intern

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29
Q

What is the direction of flow of all blood in veins

A

Towards the heart

30
Q

Describe veins

A

thin walled and collapsible

31
Q

What prevents the backflow of blood in veins?

A

semilunar valves

32
Q

Pressure of blood flow in veins

A

very low pressure

33
Q

like arteries but with a thin and more elastic wall and large lumen

34
Q

What type of blood does veins carries?

A

deoxygenated blood

35
Q

MAJOR VEINS (6)

A
  • Precaval Vein or anterior vena cava
  • Postcaval Vein or posterior vena cava
  • Pulmonary Veins
  • Abdominal Vein
  • Hepatic Portal Vein
  • Renal Portal Vein
36
Q

Formed by the union of 3 veins

A

Precaval Vein or anterior vena cava

37
Q

What are the three veins of precaval

A
  • External jugular vein
  • Innominate vein
  • Subclavian vein
38
Q

most anterior formed by lingual vein and mandibular vein.

A

External jugular vein

39
Q

formed by joining of brachial and musculocutaneous vein

A

Subclavian Vein

40
Q

Formed by union of internal jugular vein and subscapular vein. runs dorsally

A

Inominate vein

41
Q

This vein is near midline from tongue and floor of mouth

A

Lingual vein

42
Q

This vein is lateral from lower jaw

A

Mandibular vein

43
Q

This vein is from the arm

44
Q

This vein is anterior o skull

A

Internal jugular vein

45
Q

vein that is lateral from lower jaw

A

mandibular vein

46
Q

From muscles an skin on dorsal and lateral part of head and trunk

A

Subscapular vein

47
Q

Formed by the confluence ofefferent renal veins and hepatic veins

A

Post caval vein

48
Q

On from each lun, both enter left auricle just anterior to the sinus venosus

A

Pulmonary Veins

49
Q

What are the major Veins?

A

Precaval Vein, Postcaval Vein, Pulmonary Vein, Absominal Vein, Hepatic Portal Vein, Renal Portal Vein

50
Q

This is a vein formed by union of pelvic veins and vesicular veins

A

Abdominal vein

51
Q

Posterior and coelum, each as branch from femoral vein

A

Pelvic vein

52
Q

From the bladder, a portal system comprises veins that divide into capillarie within an organ before returning to th heart.

A

Vesicular veins

53
Q

These are veins from digestive organs that join to form this

A

Hepatic portal vein

54
Q

This runs laterally along each kidney and gives off several

A

Renal portal vein

55
Q

This vein of the renal portal vein is formed from anterior side of the thigh

A

Femoral vein

56
Q

This vein of the renal portal vein is formed from Posterior sid of the thigh

A

Sciatic vein

57
Q

This vein of the renal portal vein is formed from The abdominal wall

A

Forso-lumbar vein

58
Q

These are vessels that carry blood away from the heart

59
Q

Describe the arteries

A

Strong an thick walled vessels

60
Q

Blood is trasported to different parts of the body with?

A

High pressre and great speed

61
Q

Do arteries have valves?

62
Q

What is the color of arteries?

A

Pinkish color

63
Q

What type of blood do arteries carry?

A

Oxygenated blood.

64
Q

What are the three major arteries?

A
  • Common carotid artery
  • Pulmonary-cutaneous artery
  • Systemic Arch
65
Q

What arch is the common caroti artery?

A

Anterior arch

66
Q

2 divisions ofcommon carotid artery

A

External carotid artery
Internal caroti artery

67
Q

This artery is to tongue and floor of the mouth

A

External carotid artery

68
Q

This artery is dorsal to posterior roof of the mouth

A

Internal carotid artery

69
Q

This is the artery found at the roof of the mouth

A

Palatine artery

70
Q

This is the artery found Into cranium to brain

A

Cerebral artery

71
Q

This is the artery found at Eye to eye

A

Ophthalmic artery

72
Q

Division of the pulmo-cutaneous artery

A
  • Pulmonary artery
  • Cuaneous artery
73
Q

Short arteries branching into the lung

A

Pulmonary Artery

74
Q

Arteries from skin to back an side of the body and side of the head

A

Cutaneous Artery

75
Q

This passes dorsally beside esophagus and turns posteriorly to unite with its mate and form dorsal aorta

A

Aortic arch or Systemic Arch

76
Q

Vein Fromposteriorsideofthigh

A

Sciatic vein

77
Q

This is an artery that is dorsal to larynx

A

Layngeal artery

zoology lab pre fi (3 decks)

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