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9 | Science > Q1: Lesson 1 | Circulatory System > Flashcards

Q1: Lesson 1 | Circulatory System Flashcards

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Biology 101 flashcards
1
Q

It consists of the heart, blood, and blood vessels

A

Circulatory system

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2
Q

It is the most essential part of the circulatory system, it is an involuntary muscular organ that pumps blood

A

Heart

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3
Q

It sends blood to the lungs for oxygenation, it also sends blood to the digestive system for nutrients

A

Heart

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4
Q

Fluid that carries oxygen and nutrients to all parts of the body. It is the only fluid that circulates all over your body.

A

Blood

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5
Q

The only way to transmit nutrients and oxygen to the body. Your body needs this to function since it supplies oxygen and nutrients to the body.

A

Blood

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6
Q

The heart is enveloped by the _____?

A

Lungs

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7
Q

TRUE OR FALSE: The heart is found in the medias tinum

A

True

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8
Q

TRUE OR FALSE: The heart extends from the second rib to about the level of the seventh rib

A

FALSE

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9
Q

TRUE OR FALSE: The heart is slightly left of the midline

A

True

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10
Q

TRUE OR FALSE: In heart models, blue blood vessels represent oxygenated blood

A

False

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11
Q

The heart is protected LATERALLY by the _____?

A

Lungs

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12
Q

The heart is protected POSTERIORLY by the _______?

A

Vertebral Column

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13
Q

The heart is protected ANTERIORLY by the _______?

A

Sternum

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14
Q

It covers the heart and large blood vessels attached to the heart

A

Pericardium

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15
Q

It is the innermost layer of the pericardium

A

Visceral Pericardium

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16
Q

It is the layer on top of the visceral pericardium

A

Parietal Pericardium

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17
Q

It is the outermost layer of the heart walls that is composed of fat to cushion the heart

A

Epicardium

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18
Q

It is the middle layer of the heart walls. It is primarily cardiac muscle

A

Myocardium

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19
Q

The innermost layer of the heart walls. It is thin and smooth and stretches as the heart pumps

A

Endocardium

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20
Q

Receiving chambers of the heart

A

Atria

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21
Q

Pumping chambers of the heart

A

Ventricle

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22
Q

It receives oxygen-poor blood

A

Right atrium

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23
Q

It receives oxygen-rich blood

A

Left atrium

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24
Q

Which septum divides the atria

A

Interatrial septum

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25
Q

It pumps blood to the lungs

A

Right ventricle

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26
Q

It pumps blood to the body

A

Left ventricle

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27
Q

What septum divides the ventricles

A

Interventricular septum

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28
Q

What valve is located between the RIGHT ATRIUM AND RIGHT VENTRICLE

A

Tricuspid valve

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29
Q

What valve is located in the LEFT ATRIUM AND LEFT VENTRICLE

A

Bicuspid valve

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30
Q

What valve prevents backflow from the lungs

A

Pulmonary valve

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31
Q

What valve prevents backflow in the aorta

A

Aortic valve

32
Q

TRUE OR FALSE: the atria is bigger than the ventricles

A

False

33
Q

It is a passageway/pathway for blood

A

Blood vessels

34
Q

Biggest blood vessel

A

Artery

35
Q

Medium blood vessel

A

Veins

36
Q

Smallest blood vessels

A

Capillaries

37
Q

It is the smallest artery/small branches of arteries

A

Arterioles

38
Q

The strongest and biggest blood vessels that carries blood away from the heart.

A

Arteries

39
Q

It is the largest artery that takes blood directly from the heart to the body

A

Aorta

40
Q

It carries blood back to the heart

A

Veins

41
Q

Small vessels formed when capillaries merge

A

Venules

42
Q

It is the largest vein that carries blood to the right atrium

A

Vena cava

43
Q

It is the braches of arterioles. It is the smallest type of blood vessels. It connects arterioles to venules and it only about one cell layer thick. It is where oxygen and nutrients pass into a body cell. It is where exchanging of oxygen and nutrients takes place

A

Capillaries

44
Q

Tip of the heart

A

Apex

45
Q

Scientific name of red blood cells

A

Erythrocytes

46
Q

Scientific name of white blood cells

A

Leukocytes

47
Q

These are cell fragments found in the blood

A

Platelets

48
Q

Fluid part of the blood

A

Plasma

49
Q

TRUE OR FALSE: percentage of red blood cells in an average human is about 45%

A

True

50
Q

TRUE OR FALSE: Percentage of white blood cells and platelets in the blood is 1%

A

True

51
Q

TRUE OR FALSE”Percentage of plasma in the blood is 55%

A

True

52
Q

It is a small biconcave-shaped cells that transports oxygen throughout the body

A

Erythrocytes

53
Q

It is the pigment in red blood cells

A

Hemoglobin

54
Q

Part of RBCs that carries oxygen and is bright red

A

Oxyhemoglobin

55
Q

Part of RBCs that does not carry oxygen and is bright red

A

Deoxyhemoglobin

56
Q

Type of blood cell that fights infections

A

Leukocytes

57
Q

Part of WBCs that destroys bacterias and toxins in the bloodstream

A

Neutrophils

58
Q

Part of WBCs that gets rid of parasitic infections such as worm infections

A

Eosinophils

59
Q

Part of WBCs that controls inflammatory and allergic reactions

A

Basophils

60
Q

TRUE OR FALSE: WBCs has irregular shapes

A

True

61
Q

Foreign body in your body

A

Pathogens

62
Q

Part of Agranulocytes that destroys bacteria, viruses, and toxins in the blood

A

Monocytes

63
Q

Part of Agranulocytes that provides immunity for the body

A

Lymphocytes

64
Q

Fragments of cells found in the blood stream. It is important in the clotting process of the body

A

Platelets

65
Q

Scientific name of platelets

A

Thrombocytes

66
Q

Liquid portion of the blood mostly composed of water

A

Plasma

67
Q

Protein that is needed for blood clotting

A

Fibrinogen

68
Q

Part of bleeding control that controls bleeding

A

Hemostasis

69
Q

Biggest blood cell

A

Leukocytes

70
Q

Smallest blood cell

A

Thrombocytes

71
Q

It is the clumping of blood

A

Agglutination

72
Q

It carries viruses and infection and is found in RBCs

A

Antigen

73
Q

It fights antigens and is found in the plasma

A

Antibodies

74
Q

Universal blood type donor

A

O

75
Q

Universal blood type recipient

A

AB

9 | Science (11 decks)

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