Internal and External Structure of the Human Heart

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From bodyTo lungsFrom lungsTo Body

A·B·C·D·

Deoxygenated Blood

Front View - Internal

Front View - External Back View - External

Oxygenated Blood

Blood Flow

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112

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910

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CC

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2023

1211

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5

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Right AtriumLeft AtriumRight VentricleLeft VentricleAtrioventricular (Tricuspid) ValveAtrioventricular (Mitral) Valve

Semilunar (Pulmonary) Valve Semilunar (Aortic) ValveChordae TendinaeVentricular SeptumAtrial Septum

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Human Heart - Internal Anatomy(left panel)

Human Heart - External Anatomy(middle panel)

Left Subclavian ArteryRight Coronary ArteryCircumflex Branch of Left Coronary ArteryGreat Cardiac VeinLeft Anterior Descending ArteryPost. Interventricular ArteryMiddle Cardiac VeinRight Marginal ArteryPosterior Vein of Left VentricleSmall Cardiac Vein

Superior Vena CavaInferior Vena CavaAorta (Aortic Arch)Pulmonary TrunkLeft AtriumRight AtriumLeft VentricleRight VentricleLeft Pulmonary ArteriesRight Pulmonary ArteriesL. Pulmonary VeinsR. Pulmonary VeinsApex of HeartBrachiocephalic TrunkLeft Common Carotid Artery

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