1. Name the vessel

2. Identify the structure at the tip of arrow: same structure is show in white on model and yellow diagram.

3. Blood in the pulmonary veins is: a. oxygen rich (has lots of oxygen)? b. oxygen poor (has less oxygen)

4. Name this structure (white)

5. Name this specific vessel

6. Name structure (white)

7. Which CIRCUIT does the LEFT ventricle pump blood into?

8. Name this structure (answer is NOT the myocardium). 15.

9. Name these bumps

10. Name space/chamber

11. Name a vessel that delivers (carries) blood into the right atrium?

12. Name the vessel

13. Name the structure (white)

14. What is the name of the membrane that sticks/adheres to the outer surface of the heart?

15. Identify the “pointed” structure (part of the heart) at the tip of the arrow.

15. What blood vessels carry poorly oxygenated blood away from the myocardium ?

10. When the volume of a chamber _____ then pressure within the chamber decreases?

5. During which phase of the cardiac cycle do the ventricles of the heart fill with blood?

4. When the ventricles relax the pressure within them is ______.

15. Blood in the pulmonary trunk is high in ___ but low in ____?

15. What part of the hearts conduction systems passes through the interventricular septum ?

11. In the fetal heart, what allows blood to pass directly from the right atrium to the right ventricle?

7. What structure prevents blood from passing from the left ventricle into the left atrium?

11. List—in order—all the spaces, valves, and vessels blood passes through to get from the right atrium to the left atrium (3 pts)

11. What structure separates the right atrium from the right ventricle?

9. What is the name of the thin, transparent membrane that covers the inner surface of the heart’s chambers?

3. What is the name of the thin, transparent membrane that covers the inner surface of the heart’s chambers?

15. What blood vessels supply the myocardium with oxygenated blood?

15. What valve is located between the right atrium and right ventricle?

15. Name space/chamber

6. Name structure 15.