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Cards In This Set
| Front | Back |
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The heart is located between the lungs in an area known as what?
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Mediastinum
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What arrangement of cardiac muscle fibers makes a heart efficient?
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Arranged spirally around the heart
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What is the innermost layer of the heart wall called?
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Endocardium
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Which cell type makes up most of the myocardium?
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Cardiac muscle
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Is the apex of the heart superior or inferior to the rest of the heart?
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Inferior
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What is the name of the depression on the anterior surface of the heart that is between the two ventricles?
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Intraventricular sulcus
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Are the auricles extensions of the atria or the ventricles?
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Atria
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What separates the left atrium from the right atrium?
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Intratrial septum
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What is the name of the thin spot between atria?
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Fossa ovalis
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The bicuspid valve is located between what two chambers of the heart?
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Between the left atrium and left ventricle
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Name the structure between the left atrioventricular valve and papillary muscle.
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Chordae tendinea (tendinous chords)
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What adaptation do you see with the walls of the left ventricle being thicker than those of the right ventricle?
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Thicker to pump back to the rest of the body
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What is the function of the aortic valve?
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Prevents back flow from the aorta into the left ventricle
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What is another name for the tricuspid valve?
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Right atrioventricular valve
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What three vessels take blood to the right atrium?
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Superior vena cava, inferior vena cava, coronary sinus
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