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cardiovascular system > cardio > Flashcards

cardio Flashcards

1
Q

Erythrocytes

A

red bloods cells

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2
Q

hemoglobin

A

binds oxygen in the blood (gives blood its color)

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3
Q

types of blood

A

A, B, AB, O

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4
Q

leukocytes

A

White blood cells

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5
Q

the main purpose of WBE

A

protect against diseases

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6
Q

what are the coronary arteries

A

The first 2 branches of the aorta

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7
Q

cardiac veins

A

drain blood that has been used by the heart muscle into the coronary sinus that empties into the right atrium

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8
Q

myocardial infarction

A

heart attack

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9
Q

pain in the chest

A

angina pectoris

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9
Q

arteries and arterioles

A

Carry blood away from the heart under high pressure

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10
Q

layers of arteries

A

Inner Layer (tunica interna)
Middle Layer (tunica media)
Outer Layer (tunica externa)

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11
Q

vasoconstriction

A

When vasomotor fibers are stimulated, the muscles contract and decrease the diameter of the vessel

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12
Q

vasodilation

A

When vasomotor fiber impulses are inhibited, the muscles relax and increase the diameter of the vessel

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13
Q

veins and venules

A

carry blood back to the atria of the heart

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14
Q

capillaries

A

Smallest blood vessels in the body
Connect the smallest arterioles to the smallest venules

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15
Q

kidneys major blood vessels

A

renal artery/vein

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16
Q

Pelvis/Reproductive Organs major blood vessels

A

Iliac Artery/Vein

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17
Q

lungs major blood vessels

A

Pulmonary Artery/Vein

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18
Q

stomach major blood vessels

A

gastric artery/vein

19
Q

path of blood from the aorta

A

heart -> rest of body

20
Q

path of blood from brachial artery

A

heart-> bicep region

21
Q

path of blood from hepatic artery

A

heart -> liver

22
Q

path of blood from carotid artery

A

heart -> brain

23
Q

path of blood from superior vena cava

A

upper half of body -> right atrium

24
Q

path of blood from inferior vena cava

A

lower/mid body -> right atrium

25
Q

path of blood from jugular veins

A

neck -> heart

26
Q

path of blood from basilic vein

A

hand -> heart

27
Q

major blood vessel in upper arm

A

brachial artery

28
Q

major blood vessel in hand

A

basilic vein

29
Q

major blood vessel in brain

A

carotid artery

30
Q

major blood vessels in neck

A

jugular veins

31
Q

pulmonary circuit

A

Sends oxygen-depleted (deoxygenated) blood to the lungs to pick up oxygen and unload carbon dioxide

32
Q

systemic circuit

A

Sends oxygen-rich (oxygenated) blood and nutrients to all body cells and removes wastes

33
Q

pericardium

A

encloses the heart and the proximal ends of the large blood vessels

34
Q

wall of the heart

A

epicardium (outer)
myocardium (middle)
endocardium (inner)

35
Q

heart chambers

A

atria (upper)
ventricles (lower)
septum (separates left and right)

36
Q

heart valves

A

tricuspid valve (Between the right atrium and the right ventricle)
pulmonary valve (Out of the right ventricle to the lungs)
mitral valve (Between the left atrium into the left ventricle)
aortic valve ( out of the left ventricle to the body)

37
Q

blood pressure

A

The force blood exerts against the inner walls of blood vessels

38
Q

systolic pressure

A

indicates how much pressure your blood is exerting against your artery walls when the heart contracts.

39
Q

diastolic pressure

A

indicates how much pressure your blood is exerting against your artery walls while the heart muscle is resting between contractions.

40
Q

stroke volume

A

the volume of blood discharged with each contraction (70mL)

41
Q

cardiac output

A

the volume of blood discharged per minute

42
Q

blood volume

A

5L in adults

43
Q

Peripheral Resistance

A

Friction between the walls of the blood vessels and the blood

44
Q

blood viscosity

A

Viscosity is the ease in which a fluid moves

45
Q

systole

A

heart contracts

46
Q

diastole

A

heart is relaxed

cardiovascular system (2 decks)

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