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science > year 10- The Heart > Flashcards

year 10- The Heart Flashcards

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1
Q

brachiocephalic artery

A

supplies blood to the right arm, head and neck

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2
Q

surperior vena cava

A

carries deoxygenated blood from the upper half of the body

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3
Q

pulmonary vein

A

carries oxygen blood from the lungs to the heart

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4
Q

pulmonary artery

A

carries deoxygenated blood from heart to lungs

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5
Q

right atrium

A

pumps deoxygenated blood to the right ventricle which sends it to the lungs

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6
Q

atrioventricular valves

A

allows blood through one way

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7
Q

Semilunar valves

A

Prevents blood flowing into the wrong areas

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8
Q

chordae tendinae

A

the heartstrings- hold the valves in place

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9
Q

right ventricle

A

pump blood through the pulmonary valve to the lungs

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10
Q

inferior vena cava

A

carries deoxygenated blood from lower and middle of the body into the right atrium of the heart

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11
Q

Left common cartotid artery

A

supplies blood to the brain neck and face

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12
Q

left subclavnian artery

A

supplies blood to the vertebrae

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13
Q

aorta

A

largest artery- supplies oxygenated blood to the circulatory system

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14
Q

left atrium

A

holding chamber for blood returning from the lungs and is a pump to the left ventricle

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15
Q

left ventricle

A

Pumps blood through the aorta to the body

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16
Q

septum

A

divides the heart’s chambers

17
Q

what is a hole in the heart?

A

it is an ATRIAL SEPTAL DEFECT!

  • a hole in the wall between the atria
  • causes blood to flow from the left atrium and mix with the right mixing deoxygenated and oxygenated blood
  • usually closes on it’s own but quelquefois does not
18
Q

what does an atrial septal defect do?

A
  • causes damage to the blood vessels in the lungs
  • high blood pressure
  • can lead to lungs and heart failure
  • abnormal heartbeat
  • increased risk of stroke
19
Q

what is the cure of an atrial septal defect

A

CARDIAC CATHETERIZATION

  • inserts a tube into a blood vessel in the groin, passing a septal repair device (two connected patches) into the hearts chamber.
  • it is permanent
  • it takes 3 months for the lining of the heart wall to grow over and seal it completely

science (3 decks)

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