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Intro to Med > Cardiovascular system > Flashcards

Cardiovascular system Flashcards

1
Q

What are the two parts of the cardiovascular system?

A

Heart and blood vessels

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2
Q

What are the three types of blood vessels?

A

Arteries, veins and capillaries

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3
Q

What do arteries do?

A

carry oxygenated blood away from heart

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4
Q

What do veins do?

A

carry deoxygenated blood towards heart

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5
Q

What do capillaries do?

A

carry oxygenated and deoxygenated blood

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6
Q

Do arteries have high or low pressure?

A

high (thick muscular walls)

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7
Q

Do veins have high or low pressure?

A

low (thinner walls)

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8
Q

Do arteries have valves?

A

No- just tubes!

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9
Q

Do veins have valves?

A

Yes- control direction of blood flow- prevents blood flowing backwards

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10
Q

What is blood made up of?

A

Platelets, read blood cells, white blood cells, haemoglobin

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11
Q

What is the pulmonary circuit?

A

blood transported between heart and lungs

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12
Q

What is the systemic circuit?

A

blood transported between heart and body

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13
Q

What are the 4 chambers in the heart?

A

x2 atria (thin walled), x2 ventricles (thick walled)

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14
Q

What do the left atrium do?

A

receive blood from lungs

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15
Q

What does the right ventricle do?

A

pump blood away to the lungs

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16
Q

What do the right atrium do?

A

receives blood from the body

17
Q

What does the left ventricle do?

A

pumps blood away to the body

18
Q

What are the atriums made of?

A

thin cardiac muscle

19
Q

What is the main artery leaving the heart called?

A

aorta

20
Q

What is the main vein entering the heart called?

A

vena carva

21
Q

What does the pulmonary artery do?

A

carries deoxygenated blood from the heart to the lungs via the right ventricle

22
Q

What does the pulmonary vein do?

A

carries oxygenated blood from the lungs to the left atrium

23
Q

What protects the brain?

A

the circle of willis, blood brain barrier, rigidity of skull

24
Q

What are the two types of stroke?

A

Infarct, haemorrhage

Intro to Med (9 decks)

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