Cardiovascular System Heart structure & anatomy

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Last updated 1:49 AM on 5/5/26
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14 Terms

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Right atrium

Recieves deoxygenated blood from superior vena cava and inferior vena cava

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Right ventricle

Pumps blood to lungs via pulmonary arteries

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Left Atrium

Recieves oxygenated blood from pulmonary arteries

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Left Ventricle

Pumps blood to body via aorta

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Tricuspid valve

Between right atrium and right ventricle

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Bicuspid (mitral) valve

Between left atrium and left ventricle

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Pulmonary valve

Right ventricle to pulmonary tunk

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Aortic valve

Left ventricle to aorta

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Papillary muscles

Tighten chordae tendinae

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Chordae tendinae

Prevent valve inversion

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Fibrous skeleton

Dense connective tissue supporting valves

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Endocardium

Inner lining

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Myocardium

Cardiac muscle (thickest layer)

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Epicardium

Outer layer (touches surface)