Right lung Left lung Heart in fibrous pericardium

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Right lung Left lung Heart in fibrous pericardium Respiratory diaphragm © 2012 Pearson Education,

Right lung Left lung Heart in fibrous pericardium Respiratory diaphragm © 2012 Pearson Education, Inc.

Pulmonary trunk Ascending aorta Heart covered by visceral pericardium Fibrous pericardium, cut and reflected

Pulmonary trunk Ascending aorta Heart covered by visceral pericardium Fibrous pericardium, cut and reflected © 2012 Pearson Education, Inc.

Pulmonary trunk Aortic arch Ascending aorta Left auricle Right auricle Left coronary artery Right

Pulmonary trunk Aortic arch Ascending aorta Left auricle Right auricle Left coronary artery Right coronary artery Left ventricle Right ventricle © 2012 Pearson Education, Inc.

Superior vena cava Brachiocephalic trunk Aortic arch Left common carotid artery Left subclavian artery

Superior vena cava Brachiocephalic trunk Aortic arch Left common carotid artery Left subclavian artery Fibrous pericardium Heart Respiratory diaphragm © 2012 Pearson Education, Inc.

Left pulmonary veins Superior vena cava Left auricle Ascending aorta Left ventricle Right auricle

Left pulmonary veins Superior vena cava Left auricle Ascending aorta Left ventricle Right auricle Pulmonary trunk Right ventricle © 2012 Pearson Education, Inc.

Left coronary artery Left pulmonary veins Left marginal artery Circumflex artery Superior vena cava

Left coronary artery Left pulmonary veins Left marginal artery Circumflex artery Superior vena cava Great cardiac vein Ascending aorta Pulmonary trunk Right coronary artery Diagonal branches of anterior interventricular artery Right marginal artery Anterior interventricular artery © 2012 Pearson Education, Inc.

Left auricle Superior vena cava Ascending aorta Pulmonary veins Right coronary artery Pulmonary trunk

Left auricle Superior vena cava Ascending aorta Pulmonary veins Right coronary artery Pulmonary trunk Left coronary artery Great cardiac vein Anterior interventricular artery Circumflex artery Diagonal branches of anterior interventricular artery Left marginal artery © 2012 Pearson Education, Inc.

Superior vena cava Ascending aorta Right coronary artery Pulmonary trunk Anterior interventricular artery Diagonal

Superior vena cava Ascending aorta Right coronary artery Pulmonary trunk Anterior interventricular artery Diagonal branch of anterior interventricular artery Pulmonary veins Left coronary artery Left marginal artery Great cardiac vein Circumflex artery Diagonal branch of anterior interventricular artery © 2012 Pearson Education, Inc.

Pulmonary veins Superior vena cava Inferior vena cava Coronary sinus Right coronary artery Posterior

Pulmonary veins Superior vena cava Inferior vena cava Coronary sinus Right coronary artery Posterior vein of left ventricle Right marginal artery Middle cardiac vein © 2012 Pearson Education, Inc. Posterior interventricular artery

Pulmonary trunk Tricuspid valve Ascending aorta Aortic semilunar valve Pulmonary semilunar valve Bicuspid valve

Pulmonary trunk Tricuspid valve Ascending aorta Aortic semilunar valve Pulmonary semilunar valve Bicuspid valve © 2012 Pearson Education, Inc.

Ascending aorta Pulmonary trunk Cusps of tricuspid valve Chordae tendineae Papillary muscles © 2012

Ascending aorta Pulmonary trunk Cusps of tricuspid valve Chordae tendineae Papillary muscles © 2012 Pearson Education, Inc.

Superior vena cava Ascending aorta Fossa ovalis Opening of coronary sinus Pectinate muscles ©

Superior vena cava Ascending aorta Fossa ovalis Opening of coronary sinus Pectinate muscles © 2012 Pearson Education, Inc.

Right atrium Tricuspid valve Aortic semilunar valve Left atrium Bicuspid valve Chordae tendineae Right

Right atrium Tricuspid valve Aortic semilunar valve Left atrium Bicuspid valve Chordae tendineae Right ventricle Interventricular septum Left ventricle Papillary muscles © 2012 Pearson Education, Inc.