Heart

AV bundle (bundle of His) Chordae tendinae

AV node

Bicuspid valve

Endocardium

Epicardium

Fossa ovalis

Interatrial septum

Interventricular septum

Left atrium

Left bundle branch

Left ventricle

Myocardium

Papillary muscle

Right atrium

Right bundle branch

Right ventricle

SA node

SVC

Tricuspid valve