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Biology 20: Resp System > Circulatory System > Flashcards

Circulatory System Flashcards

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1
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Pulmonary Arteries

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2
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Pulmonary Veins

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3
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Aorta

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4
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Valves

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5
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Arteries

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6
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Veins

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7
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Systolic Pressure

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8
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Diastolic Pressure

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9
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Pulmonary Pathway

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10
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Systemic Pathway

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11
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Coronary Pathway

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12
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Key Questions

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13
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What are the three functions of the circulatory system?

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14
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What are the three main structures of the circulatory system?

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15
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What are the four main chambers of the heart?

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16
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What muscular wall separates the ventricles?

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17
Q

Which side of the heart circulates oxygen poor blood?

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18
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Which side of the heart circulates oxygen rich blood?

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19
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What are the four one-way valves inside the heart?

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20
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What are the three main pathways of circulation?

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21
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What are the three main types of blood vessels?

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22
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Which node trogers a heartbeat?

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23
Q

What causes a heart murmur?

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24
Q

What does an Fog do?

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25
Q

How do we ca culate cardiac outout?

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26
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What is a sphygmomanometer?

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27
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What happens if a blood vessel is blocked/ruptures?

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28
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What does the

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29
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circulatory

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30
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system do?

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31
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Functions of the

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32
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Circulatory

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33
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System

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34
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1) Transports gases

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35
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nutrients

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and wastes

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36
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throughout your body

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37
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2) Regulates internal

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38
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temperature and

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39
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carries hormones

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40
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3)

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41
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Protects against

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42
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distases and blood

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43
Q

What type of muscle tissue is the heart made up of?

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The heart is made up of cardiac muscle, which is found nowhere else in the body.

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44
Q

How many chambers does the heart have?

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The heart has 4 chambers: two atria on the top and two ventricles on the bottom.

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45
Q

What do the atria do?

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The atria are filled with incoming blood.

46
Q

What do the ventricles do?

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The ventricles receive blood from the atria and pump it out of the heart.

47
Q

What separates the atria and ventricles?

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The atria and ventricles are separated by a thick muscular wall called the septum.

48
Q

What is the condition of blood in the right side of the heart?

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The right side of the heart contains oxygen-poor blood.

49
Q

What are the main structures of the circulatory system?

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1) Heart - pumps blood throughout the body
2) Blood vessels - ‘roadways’ for the blood to travel
3) Blood - carries the essential products required for a healthy body

50
Q

What are the functions of the heart?

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• Pumping blood through the body
• Keeping oxygen-rich blood separate from oxygen-poor blood
• Ensuring that blood only flows in one direction through the body

51
Q

Where is the heart located?

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The heart is located slightly to the left of the middle of the chest.

52
Q

What does the right side of the heart do?

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Receives oxygen-poor blood coming back from the body and sends it to the lungs.

53
Q

What are the two large vessels that open into the right atrium?

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The vena cavae.

54
Q

What is the function of the superior vena cava?

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Returns oxygen-poor blood from the chest and above.

55
Q

What is the function of the inferior vena cava?

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Returns oxygen-poor blood from below the chest.

56
Q

How does blood flow through the right side of the heart?

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Blood flows from the right atrium into the right ventricle.

57
Q

What flows from the right atrium?

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Blood flows from the right atrium into the right ventricle.

58
Q

Where does blood go from the right ventricle?

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Blood flows from the right ventricle into the pulmonary trunk.

59
Q

What happens to blood after it enters the pulmonary trunk?

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It flows out through the right and left pulmonary arteries to the lungs.

60
Q

What is the function of the left side of the heart?

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The left side of the heart does the opposite of the right side.

61
Q

Where does oxygen-rich blood come from?

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Oxygen-rich blood flows from the lungs through the pulmonary veins to the left atrium.

62
Q

What happens to blood in the left atrium?

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From the left atrium, blood is pumped into the left ventricle.

63
Q

How does blood leave the heart?

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From the left ventricle, the blood leaves the heart through a large vessel called the aorta to the rest of the body.

64
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27 of 118

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65
Q

Valves

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66
Q

• There are 4 one-way valves inside

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67
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the heart to prevent backflow

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68
Q

• The atria and ventricles are separated

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69
Q

by valves called the atrioventricular

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70
Q

valves (AV valves)

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71
Q

Valves

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72
Q

• The right AV Valve is

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73
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called the tricuspid

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74
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valve because it is

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75
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made up of 3 flaps

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76
Q

• The left AV Valve is

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77
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the called the

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78
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bicuspid valve

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79
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because it has 2 flaps

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80
Q

(bicuspid also called Mitral valve)

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81
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tricuspid

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82
Q

bicuspid

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83
Q

Valves

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84
Q

The other two valves are called semilunar valves

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85
Q

because of their half-moon shape

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86
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opening for

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87
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pulmonary

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88
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cross-section

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89
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coronary artery

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90
Q

semilunar valve

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91
Q

aortic semilunar

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92
Q

Figure 8.3 This cross-

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93
Q

section of a mammalian

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94
Q

heart shows the structure

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95
Q

of the four valves. The

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96
Q

bicusoid valve is also called

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97
Q

the mitral valve because it

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98
Q

is shaped like a mitre.-the

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99
Q

Coremonial neardress worn

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100
Q

by high officials of the

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101
Q
  • tricuspid atrioventricular
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102
Q

bicuspid or mitral)

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103
Q

atrioventricular valve

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104
Q

fibrous skeleton

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105
Q

Valves

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106
Q

• The right semilunar valve is

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107
Q

called the pulmonary valve

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108
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• The left semilunar valve is

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109
Q

called the aortic valve

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110
Q

Roth semilner vaivas

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Biology 20: Resp System (4 decks)

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