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cardio-vascular system > cardio > Flashcards

cardio Flashcards

1
Q

what does the cardiovascular system compress?

A

heart
blood
blood vessels

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2
Q

what is blood in relation to heart

A

blood is a transport medium

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3
Q

what is the heart

A

heart is a pump

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4
Q

hearts job?

A

circulates blood through blood vessels

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5
Q

every cell of the body is supplied by

A

blood vessels

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6
Q

what do blood vessels do

A

carry essential nutrients to the body and carry waste away from it

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7
Q

what is the left side circulation

A

systemic circulation

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8
Q

what is the right side circulation

A

pulmonary circulation

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9
Q

what are the 3 types of blood vessels

A

arteries
veins
capillaries

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10
Q

how many chambers for heart

A

2
upper and lower

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11
Q

upper chamber =

A

atrium

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12
Q

lower chamber =

A

ventricle

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13
Q

what is between the right atrium and right ventricle

A

tricuspid valve

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14
Q

where is the tricuspid valve

A

between the right atrium and right ventricle

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15
Q

where is the bicuspid valve

A

between the left atrium and left ventricle

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16
Q

what is between the left atrium and the left ventricle

A

bicuspid valve

17
Q

order of blood from from venacava to aorta

A

VC
RA
RV
LUNGS
LA
LV
AORTA

18
Q

What are the layers of the heart wall

A

endocardium
myocardium
pericardium

19
Q

endocardium facts x3

A
  • made of endothelium
  • inner lining of chambers
  • provides smooth surface for blood to flow over
20
Q

myocardium facts x3

A
  • thickest layer
  • made of cardiac muscle
  • contraction and relaxation of myocardium allows heart to pump blood
21
Q

pericardium facts x5

A
  • outer covering of heart
  • double membrane made of tough fibrous tissue
  • inner layers attached to myocardium
  • outer layers attached to surrounding structures
  • fluid filled space between layers
22
Q

which cells can depolarise

A

nerve cells
muscle cells

23
Q

which cells exist in a permanently polarised state

A

all cells except nerve and muscle cells

24
Q

polarised muscles are …

A

relaxed

25
Q

depolarisation causes

A

contraction

26
Q
A

cardio-vascular system (2 decks)

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