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Anatomy > Week 7 > Flashcards

Week 7 Flashcards

(65 cards)

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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
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12
Q
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13
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14
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15
Q
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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
Coronary arteries
On the surface of the heart Divert blood from the aorta
26
SA node
Peacemaker of the heart
27
Systole
The time when both chambers are contracting
28
Diastole
The period of time when the heart is relaxing
29
Blood
Fluid form of connective tissue Transports Regulates Protect
30
Aortic semilunar valve
aorta and then through the arteries
31
Coronary arteries
on the surface supply blood to heart muscle
32
Myocardium
Heart muscle
33
Sinoatrail or SA node
Inferior wall of right atrium Generates 40-60 beats per minute
34
Plasma
Is a straw coloured liquid that makes up 55% of our body
35
Erythrocytes
Red blood cells Contains hemoglobin molecules Carry oxygen and CO2
36
Leukocytes
Whit blood cells Protects from infection
37
Platelets Thrombocytes
Helps with blood clotting
38
Coagulation
Blood clotting
39
Capillaries
Site of gas exchange between blood and interstitial fluids One cell thick
40
Blood pressure
Force and rate of the heartbeat and the diameter and electricity of the arterial walls Controlled by the blood vessel
41
Left side heart failure
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
Arteriosclerosis
Hardening of the arteries
43
Atherosclerosis
Fatty deposits called plaques, build up on the inner lining of blood vessels
44
Infarct
An area of death in a tissue or organ resulting from obstruction of the local circulation by the thrombus or embolus
45
Ischemia
blood flow is restricted or reduced in a part of the body
46
Pericardium
A membrane the surrounds your heart
47
The septum
A dividing wall or membrane especially between bodily spaces or masses of soft tissue
48
AV node
the heart atrium and superior vena cava Generated 60-100 impulses per minute
49
Atrioventricular valves
Lie between each atrium and the ventricle on the same side
50
Semilunar valves
Between the ventricles and the large arteries that carry blood away from the heart Pulmonary semilunar valve and aortic semilunar valve
51
Venules
Smaller blood vessel Deoxygenated blood to capillary beds
52
Arterioles
Smaller blood vessels Carry blood away from your heart
53
Endocardium
Inner most layer of the heart
54
Pulmonary arteries
Bring Oxygen poor blood to from right side of the heart to the lungs
55
Aorta
Main artery that carries blood away from your heart
56
Cardiac cycle points to remember
Both atria fill at the same time Both ventricles fill at the same time Both ventricles eject blood at the same time
57
Different roles of blood
Maintain homeostasis Fluid balance Regulate temperature
58
Different components of blood
Plasma and formed elements Red blood cells, white blood cells, platelets
59
Thrombin
Transforms fibrinogen into a insoluble form call fibrin
60
Fibrin
Hair-like Forms a net like patch at the site of injury That catches blood cells and platelets
61
Blood vessels
Distributes blood around the body
62
Prothrombin
Produced in the liver to help convert vitamin k into thrombin
63
Colour of the blood when oxygen is high
Bright red
64
What causes shortness in breath from fluid in the lungs
Right sided heart failure
65
Pathway of blood
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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