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Circulatory System Review
Name_____________________
1. What is an anastomosis?
Describe four places in the body
where they are found.
7. What are the two major arteries
that bring blood to the brain?
2. List ten branches of the aorta.
8. What arteries form the circle of
Willis? What structure is inside
the circle of Willis?
3. How do the subclavian artery and
the common carotid artery differ
on the left and right? What is so
special about the left
brachiocephalic artery?
9. What is the relationship between
the vertebral arteries and the
basilar artery?
10. What arteries branch off the
circle of Willis to carry blood to
the brain?
4. What arteries travel up the neck
to supply blood to the brain?
11. Why does osmotic pressure draw
fluid into the blood?
5. List four sections of the aorta.
6. How are the arteries of the arm
similar to the arteries of the leg?
12. Which end of the capillaries
loses fluid from the blood? How
is it returned to blood?
13. Why does the direction of fluid
transfer change as you pass
through a capillary?
19. What occurs in the capillaries?
20. Where do the vena cavae end?
14. Define: systolic and diastolic
pressure.
21. What does the interventricular
septum separate?
15. In which blood vessels is the
blood pressure the highest? The
lowest?
22. What is the function of an
atrium? A ventricle?
16. List the types of blood vessels
blood passes through on its round
trip from the heart.
23. What is the common term for the
intrinsic conduction system of
the heart?
17. What is the pulmonary circuit?
24. What tissues does the intrinsic
conduction system resemble?
18. Relate the left and right sides of
the heart with the pulmonary and
systemic circuits. Which one is
more powerful?
25. Where are the two nodes of the
intrinsic conduction system?
Which one starts a beat?
31. Describe the pericardium,
epicardium, myocardium and
endocardium.
26. How is a stimulus carried
through the wall of a ventricle?
32. Describe the function of each of
the four heart valves.
27. Describe the oxygenation of
blood in the major blood vessels
of the body and the four
chambers of the heart.
28. What causes blood to flow?
33. What is found left and right of
the heart? In front and in back?
29. What prevents blood from
flowing the wrong direction?
34. What is the apex of the heart?
30. List four structural differences
between arteries and veins.
35. Describe the structure and
function of the hepatic portal
system.
36. Compare and contrast the hepatic
artery and the hepatic portal vein.
42. Why does blood pressure fall
when you stand?
37. Compare and contrast the hepatic
vein and the hepatic portal vein.
43. What will cause the heart stroke
volume to fall? To increase?
What will cause the heart rate to
fall? To increase?
38. Which artery wraps around the
heart?
44. What is vasoconstriction?
39. What is the ligamentum
arteriosum? The foramen ovale?
40. What is the function of a vascular
shunt and the precapillary
sphincters in a capillary bed?
41. When and why do precapillary
sphincters close?
45. What is cardiac output?
46. Trace the path of a RBC in the
left atrium on a complete path
through the CV system.