foramen ovale
ductus arteriosus

   the heart

                      identify:

chambers:
left ventricle
right ventricle (w/apex)
left atrium
​right atrium

valves:
tricusid valve
bicuspid (mitral) valve 
pulmonary semilunar valve
aortic semilunar valve

structures in valves:
cordae tendinae
papillary muscle

vessels leaving heart:
aorta
pulmonary trunk
pulmonary arteries (left/right)

vessels going to the heart:
inferior vena cava
superior vena cava
pulmonary veins (2 left/2 right)

vessels feeding muscle tissue:
coronary arteries (left/right)

trace blood flow through the human heart

extra credit

     fetal heart

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