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Cardiovascular Flashcards

1
Q

a system that is sometimes called the blood-vascular, or simply the circulatory system

A

CARDIOVASCULAR SYSTEM

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2
Q

It consists of the heart, which is a muscular pumping device, and a closed system of vessels called arteries, veins, and capillaries

A

CARDIOVASCULAR SYSTEM

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3
Q

what are the 3 closed system of vessels of cardiovascular system

A

arteries, veins, and capillaries.

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4
Q

a vital organ system that delivers essential substances to all cells for basic functions to occur.

A

Cardiovascular System

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5
Q

3 Functions of Cardiovascular System

A

Transportation, Regulation , Protection

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6
Q

All of the substances essential for cellular metabolism are transported by?

A

blood

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7
Q

it transport oxygen attached to hemoglobin

A

Red blood cells

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8
Q

in Car. Sys. nutrient molecules are carried in the?

A

plasma

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9
Q

in Car. Sys. metabolic wastes are eliminated as blood passes through the ____ and _____.

A

liver and kidneys

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10
Q

The cardiovascular system transports regulatory hormones from the?

A

endocrine glands

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11
Q

Contraction and dilation of _____________ near the surface of the body (just beneath the epidermis) helps to conserve or to dissipate heat as needed.

A

blood vessels

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12
Q

The _____________ system responds to injury and defends against foreign microbes or toxins introduced into the body.

A

Circulatory

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13
Q

______________ helps to prevent blood loss when vessels are damaged

A

Blood clotting

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14
Q

____________, or leukocytes, help to disarm or disable invaders such as viruses and bacteria.

A

White blood cells

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15
Q

3 Major Components of a Cardiovascular System

A

Muscular pump (Heart), Fluid (Hemolymph or Blood), Blood Vessels

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16
Q

it Propels fluid through a system of vessels that extends throughout the body

A

Muscular pump (Heart)

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17
Q

Four chambers of heart

A

Right Atrium and Ventricle, and Left Atrium and Ventricle

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18
Q

cardiac muscle tissue (organ in cardiovascular system)

A

Heart

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19
Q

Highly interconnected cells (organ in cardiovascular system)

A

heart

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20
Q

Generating blood pressure (organ in cardiovascular system)

A

heart

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21
Q

Routing blood (organ in cardiovascular system)

A

heart

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22
Q

Heart separates pulmonary and systemic circulations (organ in cardiovascular system)

A

heart

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23
Q

Ensuring one-way blood flow (organ in cardiovascular system)

A

heart

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24
Q

Heart valves ensure one-way flow (organ in cardiovascular system)

A

heart

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25
Regulating blood supply (organ in cardiovascular system)
heart
26
Changes in contraction rate and force match blood delivery to changing metabolic needs (organ in cardiovascular system)
heart
27
Changes in contraction rate and force match blood delivery to changing metabolic needs (organ in cardiovascular system)
heart
28
in Chambered Heart, this receive blood.
Atrium
29
in Chambered Heart, this pump blood out
Ventricle
30
in Blood Vessels, this carry blood AWAY from heart
Arteries
31
in Blood Vessels, this RETURN blood to heart
veins
32
networks of capillaries
capillary beds
33
thin wall responsible for exchange / diffusion
Capillaries
34
they are flaps of connective tissue
4 Valves in the Heart
35
they prevent backflow
4 Valves in the Heart
36
located between atrium & ventricle
Atrioventricular Valve (AV)
37
keeps blood from flowing back into atria when ventricles contract
Atrioventricular Valve (AV)
38
Atrioventricular Valve (AV) keeps blood from flowing back into ______ when ______ contract
atria, ventricles
39
located between ventricle & artery
Semilunar Valve
40
Semilunar Valve is located between?
ventricle & artery
41
Atrioventricular Valve (AV) is located between?
atrium & ventricle
42
Semilunar Valve prevents backflow from _______into _______ while they are relaxing
arteries, ventricles
42
prevent backflow from arteries into ventricles while they are relaxing
Semilunar Valve
43
Serves as the medium for the transport; delivers nutrients through the body
Fluid (Hemolymph or Blood)
44
Liquid portion of the blood.
Plasma
45
Contains clotting factors, hormones, antibodies, dissolved gasses, nutrients and waste
Plasma
46
Carry hemoglobin and oxygen.
Erythrocytes (Red Blood Cells)
47
Do not have a nucleus and live only about 120 days.
Erythrocytes (Red Blood Cells
48
Fight infection and are formed in the bone marrow.
Leukocytes (White Blood Cells)
49
Leukocytes (White Blood Cells) are formed in the
bone marrow
50
Five types of Leukocytes
Neutrophils , Lymphocytes ,Eosinophils ,Basophils and Monocytes
51
General phagocytosis: acute bacterial infections
Neutrophils
52
Produces antibodies
Lymphocytes
53
Kills parasites, allergic condition
Eosinophils
54
Release heparin and histamine
Basophils
55
Phagocytosis of large particles in typhoid, malaria
Monocytes
56
These are cell fragments that are formed in the bone marrow from megakaryocytes. The blood clots by sticking together – via protein fibers called fibrin.
Thrombocytes (Platelets)
57
Its function is to transport blood throughout the body
Blood Vessels
58
move away from the heart
Arteries (Arterioles)
59
Thicker walls provide strength for high pressure pumping of blood
Arteries (Arterioles)
60
Elasticity - elastic recoil helps maintain blood pressure even when heart relaxes
Arteries (Arterioles)
61
where gas exchange takes place.
Capillaries
62
Very Thin Walls
Capillaries
63
exchange between blood & cells
Diffusion
64
moves towards the heart
Veins (Venules)
65
Thinner-walled and Wider diameter
Veins (Venules)
66
blood travels back to heart at low velocity & pressure
Veins (Venules)
67
in larger veins one-way ____ allow blood to flow only toward heart
valves

Anaphy (8 decks)

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