S,I,V,C
Superior/Inferior Vena Cava
R,A
Right Atrium
T,V
Tricuspid Valve
R,V
Right Ventricle
P,V
Pulmonary Valve
P,A
Pulmonary Arteries
L
Lungs
P,V
Pulmonary Veins
L,A
Left Atrium
M,(B), V
Mitral (Bicuspid) Valve
L,V
Left Ventricle
A,V
Aortic Valve
A
Aorta
B
Body