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Life Science > cardiovascular system > Flashcards

cardiovascular system Flashcards

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1
Q

directed toward the left hip and rests on the diaphragm approximately at the level of the fifth intercostal space

A

apex

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2
Q

broader posterosuperior aspect

A

base

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3
Q

encloses the heart by a double sac of serous membrane

A

pericardium

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4
Q

two of the four hallow chambers or cavaties

A

Atria

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5
Q

two of the four hallow chambers or cavaties

A

Ventricles

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6
Q

septum that divides the heart longitudinally

A

Interatrial septum

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7
Q

receives relatively oxygen poor blood from the viens of the body

A

Superior venae cavae

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8
Q

receives relatively oxygen poor blood from the viens of the body

A

Inferior venae cavae

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9
Q

carries blood to the lungs where oxygen is picked up by carbon dioxide is unloaded

A

Pulmonary arteries

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10
Q

oxygen rich blood drains from the lungs and back to the left side of the heart is

A

Pulmonary veins

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11
Q

blood returned to the left side of the heart is pumped out of the heart into

A

Aorta

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12
Q

located between the atrial and ventricular chambers on each side

A

Atrioventricular valves

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13
Q

two flaps or cusps of endocardium

A

Bicuspid valves

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14
Q

has three flaps

A

Tricuspid valves

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15
Q

anchor the flaps to the walls of the ventricles

A

Chordae tendineae

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16
Q

guards the bases of the two large arteries leaving the ventricular chambers

A

Semilunar valves

17
Q

branch from the base of the aorta and encircle the heart in the coronary sulcus at the junction of the atria and ventricles

A

Coronary arteries

18
Q

empty into a enlarged vessel on the backside

A

Cardiac veins

19
Q

backside of the heart called

A

Coronary sinus

20
Q

located in the right atrium

A

Sinoatrial node

21
Q

spread within the muscle of the ventricle walls

A

Purkinje fibers

22
Q

SA node is often called this

A

Pacemaker

23
Q

heart contraction and relaxation respectively

A

Systole

24
Q

heart contraction and relaxation respectively

A

Diastole

Life Science (16 decks)

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