Biology 2 – Prelab Activity – The Pig’s Heart
Name: ______________________________________________ Section: ____________________________
Part A. External View of the Vertebrate Heart – Label the dorsal and ventral views and l ocate the following
parts.
aorta
coronary vessels
inferior vena cava
left atrium
left ventricle
pulmonary trunk
right atrium
right ventricle
superior vena cava
Part B. Internal View of the Vertebrate Heart - Shade the portions occupied by oxygen-rich blood red and oxygen-poor blood
blue. Draw arrows showing the pathway of blood from the venae cavae to the aorta. Locate the parts given below.
aorta
aortic semilunar valve
bicuspid AV valve
chordae tendinae
inferior vena cava
left atrium
left ventricle
papillary muscle
pulmonary artery
pulmonary semilunar valve
pulmonary trunk
pulmonary veins
right atrium
right ventricle
superior vena cava
tricuspid AV valve
ventricular septum