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Anatomy > Week 7 > Flashcards

Week 7 Flashcards

1
Q

The cardiovascular system

A

Transports nutrients and oxygen
While carbon dioxide and waste products are removed

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2
Q

Pulmonary circulation

A

From the heart to the lungs and back

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3
Q

Systemic circulation

A

From the heart to the body tissue and back

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4
Q

Arteries

A

Carry blood away from the heart
Have thicker walls

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5
Q

Veins

A

Take blood back to the heart
Thinner walls and valves

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6
Q

Varicose veins

A

Standing too long so the valves in your veins stop working
Blood flow moves up and down

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7
Q

Top of the heart is called

A

The base

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8
Q

Bottom of the heart is called

A

Apex

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9
Q

Fibrous pericardium and what’s inside it

A

Tough membrane that surrounds the heart
Inside is the is the pericardial cavity filled with fluid

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10
Q
A
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11
Q
A
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12
Q
A
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13
Q
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14
Q
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15
Q
A
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16
Q

Superior vena cava

A

Brings blood back from the head, neck, chest, and upper extremities

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17
Q

Inferior vena cava

A

Returns the blood from the truck, organs, abdomen, pevic region, and lower extremities

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18
Q

Atria

A

Top two chamber of the heart
Supplying oxygenated blood to the circulatory system

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19
Q

Ventricles

A

Bottom two chambers of the heart

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20
Q

Tricuspid valve

A

Blood collects in right atrium, this valve opens to allow blood to flow into the right ventricle
Has three cusps or folds

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21
Q

The septum

A

Walls that separates the left and right side of the heart

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22
Q

Pulmonary veins

A

How newly oxygenated blood returns to the heart

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23
Q

Bicuspid (mitral) valve

A

How Blood passes into the left ventricle

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24
Q

Aortic semilunar valve

A

Blood passes through from the left ventricle to the aorta

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25
Q

Coronary arteries

A

On the surface of the heart
Divert blood from the aorta

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26
Q

SA node

A

Peacemaker of the heart

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27
Q

Systole

A

The time when both chambers are contracting

28
Q

Diastole

A

The period of time when the heart is relaxing

29
Q

Blood

A

Fluid form of connective tissue

Transports
Regulates
Protect

30
Q

Aortic semilunar valve

A

aorta and then through the arteries

31
Q

Coronary arteries

A

on the surface
supply blood to heart muscle

32
Q

Myocardium

A

Heart muscle

33
Q

Sinoatrail or SA node

A

Inferior wall of right atrium
Generates 40-60 beats per minute

34
Q

Plasma

A

Is a straw coloured liquid that makes up 55% of our body

35
Q

Erythrocytes

A

Red blood cells
Contains hemoglobin molecules
Carry oxygen and CO2

36
Q

Leukocytes

A

Whit blood cells
Protects from infection

37
Q

Platelets
Thrombocytes

A

Helps with blood clotting

38
Q

Coagulation

A

Blood clotting

39
Q

Capillaries

A

Site of gas exchange between blood and interstitial fluids
One cell thick

40
Q

Blood pressure

A

Force and rate of the heartbeat and the diameter and electricity of the arterial walls

Controlled by the blood vessel

41
Q

Left side heart failure

A

The left side cannot keep up with the blood being delivered to it, the blood banks up into the lungs, increasing the pressure in those vessels
Fluid leaks out
Causes difficulty breathing

42
Q

Arteriosclerosis

A

Hardening of the arteries

43
Q

Atherosclerosis

A

Fatty deposits called plaques, build up on the inner lining of blood vessels

44
Q

Infarct

A

An area of death in a tissue or organ resulting from obstruction of the local circulation by the thrombus or embolus

45
Q

Ischemia

A

blood flow is restricted or reduced in a part of the body

46
Q

Pericardium

A

A membrane the surrounds your heart

47
Q

The septum

A

A dividing wall or membrane especially between bodily spaces or masses of soft tissue

48
Q

AV node

A

the heart atrium and superior vena cava
Generated 60-100 impulses per minute

49
Q

Atrioventricular valves

A

Lie between each atrium and the ventricle on the same side

50
Q

Semilunar valves

A

Between the ventricles and the large arteries that carry blood away from the heart
Pulmonary semilunar valve and aortic semilunar valve

51
Q

Venules

A

Smaller blood vessel
Deoxygenated blood to capillary beds

52
Q

Arterioles

A

Smaller blood vessels
Carry blood away from your heart

53
Q

Endocardium

A

Inner most layer of the heart

54
Q

Pulmonary arteries

A

Bring Oxygen poor blood to from right side of the heart to the lungs

55
Q

Aorta

A

Main artery that carries blood away from your heart

56
Q

Cardiac cycle points to remember

A

Both atria fill at the same time
Both ventricles fill at the same time
Both ventricles eject blood at the same time

57
Q

Different roles of blood

A

Maintain homeostasis
Fluid balance
Regulate temperature

58
Q

Different components of blood

A

Plasma and formed elements
Red blood cells, white blood cells, platelets

59
Q

Thrombin

A

Transforms fibrinogen into a insoluble form call fibrin

60
Q

Fibrin

A

Hair-like
Forms a net like patch at the site of injury
That catches blood cells and platelets

61
Q

Blood vessels

A

Distributes blood around the body

62
Q

Prothrombin

A

Produced in the liver to help convert vitamin k into thrombin

63
Q

Colour of the blood when oxygen is high

A

Bright red

64
Q

What causes shortness in breath from fluid in the lungs

A

Right sided heart failure

65
Q

Pathway of blood

A

From your body,
Through superior vena cava,
To right atrium,
To right ventricle,
Sent to the lungs,
To the left atrium
To left ventricles
To aorta

Anatomy (21 decks)

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