Questions
1. Label the following on Figure 1 (next page): right atrium, left atrium, right ventricle, left
ventricle, bicuspid valve, tricuspid valve, aortic semilunar valve, pulmonary semilunar valve.
2. Label the blood vessels on the diagram: inferior vena cava, superior vena cava, pulmonary trunk,
pulmonary arteries, pulmonary veins, and aorta.
3. List the order that blood passes through each of the structures you’ve labelled, beginning
with the inferior and superior vena cava.