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Anaphy > Cardiovascular > Flashcards

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
Q

Regulating blood supply (organ in cardiovascular system)

A

heart

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26
Q

Changes in contraction rate and force match blood delivery to changing metabolic needs
(organ in cardiovascular system)

A

heart

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27
Q

Changes in contraction rate and force match blood delivery to changing metabolic needs
(organ in cardiovascular system)

A

heart

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28
Q

in Chambered Heart, this receive blood.

A

Atrium

29
Q

in Chambered Heart, this pump blood out

A

Ventricle

30
Q

in Blood Vessels, this carry blood AWAY from heart

A

Arteries

31
Q

in Blood Vessels, this RETURN blood to heart

A

veins

32
Q

networks of capillaries

A

capillary beds

33
Q

thin wall responsible for exchange / diffusion

A

Capillaries

34
Q

they are flaps of connective tissue

A

4 Valves in the Heart

35
Q

they prevent backflow

A

4 Valves in the Heart

36
Q

located between atrium & ventricle

A

Atrioventricular Valve (AV)

37
Q

keeps blood from flowing back into atria when ventricles contract

A

Atrioventricular Valve (AV)

38
Q

Atrioventricular Valve (AV) keeps blood from flowing back into ______ when ______ contract

A

atria, ventricles

39
Q

located between ventricle & artery

A

Semilunar Valve

40
Q

Semilunar Valve is located between?

A

ventricle & artery

41
Q

Atrioventricular Valve (AV) is located between?

A

atrium & ventricle

42
Q

Semilunar Valve prevents backflow from _______into _______ while they are relaxing

A

arteries, ventricles

42
Q

prevent backflow from arteries into ventricles while they are relaxing

A

Semilunar Valve

43
Q

Serves as the medium for the transport; delivers nutrients through the body

A

Fluid (Hemolymph or Blood)

44
Q

Liquid portion of the blood.

A

Plasma

45
Q

Contains clotting factors, hormones, antibodies, dissolved gasses, nutrients and waste

A

Plasma

46
Q

Carry hemoglobin and oxygen.

A

Erythrocytes (Red Blood Cells)

47
Q

Do not have a nucleus and live only about 120 days.

A

Erythrocytes (Red Blood Cells

48
Q

Fight infection and are formed in the bone marrow.

A

Leukocytes (White Blood Cells)

49
Q

Leukocytes (White Blood Cells) are formed in the

A

bone marrow

50
Q

Five types of Leukocytes

A

Neutrophils , Lymphocytes ,Eosinophils ,Basophils and Monocytes

51
Q

General phagocytosis: acute bacterial infections

A

Neutrophils

52
Q

Produces antibodies

A

Lymphocytes

53
Q

Kills parasites, allergic condition

A

Eosinophils

54
Q

Release heparin and histamine

A

Basophils

55
Q

Phagocytosis of large particles in typhoid, malaria

A

Monocytes

56
Q

These are cell fragments that are formed in the bone marrow from megakaryocytes. The blood clots by sticking together – via protein fibers called fibrin.

A

Thrombocytes (Platelets)

57
Q

Its function is to transport blood throughout the body

A

Blood Vessels

58
Q

move away from the heart

A

Arteries (Arterioles)

59
Q

Thicker walls provide strength for high pressure pumping of blood

A

Arteries (Arterioles)

60
Q

Elasticity - elastic recoil helps maintain blood pressure even when heart relaxes

A

Arteries (Arterioles)

61
Q

where gas exchange takes place.

A

Capillaries

62
Q

Very Thin Walls

A

Capillaries

63
Q

exchange between blood & cells

A

Diffusion

64
Q

moves towards the heart

A

Veins (Venules)

65
Q

Thinner-walled and Wider diameter

A

Veins (Venules)

66
Q

blood travels back to heart at low velocity & pressure

A

Veins (Venules)

67
Q

in larger veins one-way ____ allow blood to flow only toward heart

A

valves

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