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Circulatory System Flashcards

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1
Q

responsible for transporting materials throughout the entire body.

A

Circulatory System

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2
Q

It transports nutrients, water, and oxygen to your billions of body cells and carries away wastes such as carbon dioxide that body cells produce

A

Circulatory System

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3
Q

It is an amazing highway that travels through your entire body connecting all your body cells.

A

Circulatory System

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4
Q

Components Circulatory System:

A

Heart
Blood
Vessels
• Arteries
• Veins
• Capillaries

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5
Q

Which gases are transported to and from the body’s cells by the blood flowing in the circulatory system?

A

Oxygen

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6
Q

is the gas needed for respiration and is transported to the body’s cells

A

Oxygen

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7
Q

The circulatory system carries two types of blood:

A

Oxygen-rich blood

Oxygen-poor blood

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8
Q

Blood travelling to the body cells, High oxygen content, Low carbon dioxide content

A

Oxygen-rich blood

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9
Q

Blood travelling away from the body cells, Low oxygen content, high carbon dioxide content

A

Oxygen-poor blood

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10
Q

Arrangement of the circulatory system means that these two types of blood are?

A

Not mixed

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11
Q

the organ at the centre of the circulatory system.

A

Heart

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12
Q

heart is divided into two sections:

A

Oxygen-poor blood (R)

Oxygen-rich blood (L)

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13
Q

Right side of the heart contain what kind of blood?

A

Oxygen-poor blood

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14
Q

Left side of the heart contain what kind of the blood?

A

Oxygen-rich blood

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15
Q

Covers the heart and large blood vessels attached to the heart

A

Pericardium

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16
Q

Innermost layer; Directly on the heart

A

Visceral Pericardium

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17
Q

Layer on top of the visceral pericardium

A

Parietal Pericardium

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18
Q

Protective sac of connective tissue; Surrounds the heart and filled with fluid

A

Pericardium

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19
Q

Outermost layer a fat to cushion heart

A

Epicardium

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20
Q

Heart coverings:

A

Pericardium

Visceral Pericardium

Parietal Pericardium

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21
Q

Middle layer and primarily cardiac muscle

A

Myocardium

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22
Q

Innermost layer and thin and smooth it stretches as the heart pump

A

Endocarduim

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23
Q

The muscle of the heart

A

Myocardium

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24
Q

Strong and thick it is composed of spontaneously contracting cardiac muscle fibers

A

Myocardium

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25
Can conduct electricity like nerves
Myocardium
26
It's blood supply comes from the coronary arteries.
Myocardium
27
The right and left sides of the heart are separated by?
Septum (wall)
28
prevents the mixing of oxygen rich and oxygen poor blood.
Septum
29
Each side of the septum are?
Two chambers
30
What is the upper chamber of the septum
Atrium
31
What do the upper chamber of septum does?
Receives blood
32
Heart walls:
Epicardium Myocardium Endocardium
33
What is the lower chamber of the ventricle
Right and left Ventricle
34
What do the lower chamber of the septum does?
Pumps blood out of heart
35
Four chambers of heart:
Right and left atrium Left and right ventricle
36
Collect the blood that enters the heart
Atria
37
The valves between the atria and ventricles are connected to the inner walls of the heart by?
Tendons
38
The tendons allow the valves to___________ and hold the valve in place. They prevent the_________ from______________________.
close valves flipping up and turning inside out
39
acts like a door that only opens in one direction.
Valve
40
The heart can pump blood because it is made of?
Muscle
41
Muscle tissue works by?
Contracting (squeezing) Relaxing
42
One complete sequence of contraction and relaxation is called a?
Heartbeat
43
3 types of blood vessels:
Arteries Capillaries Veins
44
Carry blood away from the heart.
Arteries
45
Link arterioles to veins.
Capillaries
46
Carry blood towards the heart.
Veins
47
Large vessels
Arteries
48
Carry blood from heart to tissues of body. Carry oxygen rich blood, with the exception of pulmonary arteries.
Arteries
49
Thick walls-need to withstand pressure procedure when heart pushes blood into them.
Arteries
50
Smallest blood vessels
Capillaries
51
Walls are only one cell thick and very narrow.
Capillaries
52
Important for bringing nutrients and oxygen to tissues and absorbing CO and other waste products.
Capillaries
53
Once blood has passed through the capillary systems it must be returned to the heart. Done by?
Veins
54
Walls contains connective tissue and smooth muscle.
Veins
55
contain one way valves that keep blood flowing toward heart.
Largest veins
56
Many found near skeletal muscles. When muscles contract, blood is forced through?
Veins
57
The heart produces pressure. The force of blood on the wall of the arteries is known as?
Blood pressure
58
decreases as the heart relaxes, but the rest of the circulatory system is still under pressure.
Blood pressure
59
When it is taken, the cuff is wrapped around the upper portion of the arm and pumped with air until blood flow in the artery is blocked.
Blood pressure
60
the first number taken, is the force felt in the arteries when the ventricles contract.
Systolic Pressure
61
the second number taken, is the force of the blood on the arteries when the ventricles relax.
Diastolic Pressure
62
What percent of your body is blood?
8%
63
How much blood do we contain?
4-6 liters
64
We contain about a pint of blood for every?
15 pounds of body weight
65
What percent of your blood is cellular
45%
66
What percent of your blood is plasma?
55%
67
Composed of plasma and blood cells
Blood
68
Types of Cells are:
Red blood cells White blood cells Platelets
69
Plasma
Straw colored 90% water 10% disolved gases, salts, nutrients, emzymes,hormoness, wastes, and proteins.
70
3 types of plasma proteins:
Albumis Globulins Fibrinogen
71
transport substances such as fatty acids, hormones and vitamins.
Albumins and Globulins
72
Responsible for blood's ability to clot
Fibrinogen
73
Most numerous type and transport oxygen
Red blood cells
74
Get color from hemoglobin and Disk shaped
Red blood cells
75
Made in red bone marrow and Circulate for 120 days
Red blood cells
76
Red blood cells are colored by the?
Hemoglobin
77
Red blood cell are made of?
Red bone marrow
78
Guard against infection, fight parasites, and attack bacteria
White blood cells
79
What increases when body is fighting
White blood cells
80
produce antibodies which fight pathogens and remember them
Lymphocytes
81
Aids the body in clotting
Platelets
82
Small fragments and stick to edge of broken blood cell and secrete clotting factor to help form clot.
Platelets
83
Blood has 3 main Cells Functions
Transport Protection Temperature Regulation

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