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Bio 40B > Exercise 27 > Flashcards

Exercise 27 Flashcards

1
Q

Arteries

A

Under high pressure, thick walled

Carries oxygenated blood away from heart

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2
Q

Pulmonary arteries

A

Carries deoxygenated blood

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3
Q

Arterioles

A

Small arteries

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4
Q

Capillaries

A

Smallest blood vessels

Materials can exchange

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5
Q

Venules

A

Small veins

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6
Q

Veins

A

Under low pressure, thin walled

Carries deoxygenated blood into heart

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7
Q

Pulmonary veins

A

Carries oxygenated blood

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8
Q

Blood vessel pathway

A

Artery -> arterioles -> capillaries -> venules -> veins

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9
Q

Myocardium

A

Cardiac muscle

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10
Q

Ligumentum arteriosum

A

Blood vessel closed in adults
Located between pulmonary trunk and aorta
Helped before lungs were developed

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11
Q

Atrium (R/L)

A

Upper ‘receiving’ chambers of heart

Atria (plural)

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12
Q

Ventricle (R/L)

A

Lower ‘pumping’ chambers of heart

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13
Q

Heart valve

A

Open when blood flows in right direction, closes to prevent blood flow in wrong direction

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14
Q

Tricuspid valve

A

Located between right atrium and right ventricle

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15
Q

Bicuspid valve

A

Located between left atrium and left ventricle

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16
Q

Pulmonary valve

A

Located between right ventricle and pulmonary trunk

17
Q

Aortic valve

A

Located between left ventricle and aorta

18
Q

Chordae tendineae

A

Attached to the valves between atria and ventricles

19
Q

Interventricular septum

A

Separates right and left ventricles

20
Q

Interatrial septum

A

Separates right and left atria

21
Q

Papillary muscle

A

Attached to heart wall and to chordae tendineae

22
Q

Apex

A

Most inferior part of heart

23
Q

Coronary sinus opening

A

Blood from coronary sinus enters right atrium via this opening

24
Q

Fossa ovalis

A

Closed in adults

Located between right atrium and left atrium (within intertrial septum)

25
Q

Coronary artery (R/L)

A

Vascularizes myocardium

26
Q

Blockage of coronary arteries or veins can lead to

A

Heart attack

27
Q

Coronary sinus (posterior)

A

Collects venous blood from coronary veins

Empties into right atrium through coronary sinus opening

28
Q

Pulmonary circulation

A

Takes blood from right ventricle to lungs back to atrium

29
Q

Systemic circulation

A

Takes blood from left ventricle to body tissues and back to right atrium

30
Q

Superior vena cava

A

Returns blood from head, neck, and arms to the heart

31
Q

Inferior vena cava

A

Returns blood from the inferior portion of the body (below the heart) to the heart

32
Q

Auricles

A

Pouch-like extensions of the atria

Bio 40B (4 decks)

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