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Language of Medicine Chapter 10 to 15 > Cardiovascular System Anatomy of the Heart > Flashcards

Cardiovascular System Anatomy of the Heart Flashcards

1
Q

heart

A

pump consisting of 4 chambers; 2 upper and 2 lower

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2
Q

2 upper chambers of the heart

A

atria (singulair atrium)

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3
Q

2 lower chambers of the heart

A

ventricles

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4
Q

pump station one (right side of the heart)

A

on the right side of the heart, sends oxygen-deficient blood to the lungs, where the blood picks up oxygen and releases its carbon dioxide and sends it down to the right side of the heart

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5
Q

pump station two (left side of the heart)

A

newly oxygenated blood is forced out to all parts of the body. At the body tissues, the blood loses its oxygen.

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6
Q

what happens once body tissues take the oxygenated blood?

A

on returning to the heart (station one)the blood which is now low in oxygen and rich in carbon dioxide is sent out to the lungs to begin the cycle all over again

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7
Q

superior venae cavae

A

drains blood from the upper portion of the body

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8
Q

inferior venae cavae

A

carries blood from the lower part of the body

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9
Q

tricuspid valve

A

located between the right atrium and the right ventricle; it has three (tri-) leaflets or cusps (flaps of the valves that for a one-way passage designed to keep the blood flowing in only one direction

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10
Q

atrium

A

upper chamber of the heart

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11
Q

ventricle

A

lower chamber of the heart

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12
Q

pulmonary valve

A

valve positioned between the right ventricle and the pulmonary artery

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13
Q

pulmonary artery

A

artery carrying oxygen-poor blood from the heart to the lungs

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14
Q

pulmonary veins

A

one of 2 pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart

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15
Q

mitral valve

A

the valve between the left atrium and the left ventricle; bicuspid valve

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16
Q

left ventricle

A

thickest walls of all four heart chambers (3 times the thickness of the right ventricular wall. Must pump blood with great force so that the blood travels through arteries to all parts of the body

17
Q

aorta

A

largest artery in the body

18
Q

aortic valve

A

closes to prevent return of aortic blood to the left ventricle

19
Q

septa (singulair; septum)

A

partition or wall dividing a cavity

20
Q

interatrial septum

A

wall between right and left atria

21
Q

interventricular septum

A

wall between the right and left ventricles

22
Q

endocardium

A

inner lining of the heart

23
Q

myocardium

A

muscular middle layer of the heart

24
Q

pericardium

A

double-layered membrane surrounding the heart

25
Q

visceral pericardium

A

adhering to the heart

26
Q

parietal pericardium

A

lining the outer fibrous coat

27
Q

pericardial cavity

A

between the visceral and the parietal pericardial layers

Language of Medicine Chapter 10 to 15 (15 decks)

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