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