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health science 1 > unit 20 > Flashcards

unit 20 Flashcards

1
Q

circulatory system

A

blood, blood vessels, and heart

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2
Q

blood

A

fluid that flows to all parts of the body to nourish cole with food substances and oxygen to carry away waste

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3
Q

plasma

A

liquid part of blood without cellular elements

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4
Q

red blood cell

A

carry oxygen

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5
Q

white blood cell

A

fight infection

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6
Q

blood components

A

plasma wbc rbc

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7
Q

blood vessels

A

carrie’s blood to heart and organs

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8
Q

typed of blood vessels

A

arteries, veins, capillaries

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9
Q

arteries

A

thick elastic tubes that carry oxygenated blood AWAY

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10
Q

artery exception

A

pulmonary

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11
Q

vein

A

thin walled vessel that carry deoxygenated blood BACK

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12
Q

vein exception

A

pulmonary

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13
Q

capillary

A

connect veins and arteries, exchange happens

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14
Q

normal bpm

A

60-100

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15
Q

coronary artery

A

brings oxygen to the heart

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16
Q

pericardium

A

double layer membrane outside the heart

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17
Q

myocardium

A

thickest layer, muscle

18
Q

endocardium

A

smooth lining of the heart

19
Q

septum

A

decides cavity into right and left

20
Q

upper chambers

21
Q

lower chambers

A

ventricles

22
Q

sa node

A

pacemaker of the heart, in upper right atrium

23
Q

av node

A

carry’s electrical signals down to purkinje fibers

24
Q

purkinje fibers

A

cause’s ventricles to contract

25
Q

vena cava

A

largest veins

26
Q

triscupid

A

prevents blood from going back to the right aorta

27
Q

arteriosclerosis

A

thick and hard arterial walls

28
Q

aneurism

A

section in the wall of a blood vessel

29
Q

heart attack

A

coronary arteries are blocked

30
Q

endocarditis

A

inflammation of the inner lining of the heart

31
Q

congestive heart failure

A

enlarged heart, can’t pump enough blood

32
Q

cerebral vascular accident

A

stroke caused by blockage or rupturing of arteries in

33
Q

bradycardia

A

slow heart rate

34
Q

pulse

A

heartbeats per minute, contraction of arteries

35
Q

where do you feel a pulse

A

where an artery crosses over a bone

36
Q

arrhythmia

A

irregular heartbeat

37
Q

radial

A

base of thumb and wrist

38
Q

apical

A

bottom tip of the heart

39
Q

femoral

40
Q

brachial

health science 1 (12 decks)

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