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CH. 23 SECTION 1 (IAN____)
Section: The Cardiovascular System
1. The word cardio means ______________________.
2. The word vascular means ______________________.
3. Arteries, veins, and capillaries are ______________________
that carry blood pumped by the heart.
_____ 10. The left side of the heart pumps oxygen-rich blood to the
a. body.
c. right ventricle.
b. lungs.
d. left atrium.
_____ 11. When atria relax, what do ventricles do?
a. expand
b. relax
c. contract
d. close
12. Why do the heart’s valves close?
4. The heart, blood, and blood vessels together make up the
____________________________________________________________
______________________.
5. What are three examples of how the cardiovascular system helps
maintain homeostasis?
____________________________________________________________
13. What part of the heart makes the “heartbeat” sound?
____________________________________________________________
__________________________________________________________________
Match the correct definition with the correct term. Write the letter in
the space provided.
__________________________________________________________________
__________________________________________________________________
a. artery
_____ 14. carries blood back to the heart
_____ 6. What kind of tissue makes up most of the heart?
b. blood pressure
_____ 15. allows exchanges between blood and
a. vascular
c. circulatory
c. pulse
body cells
b. cardiac
d. lymphatic
d. capillary
_____ 16. carries blood away from the heart
_____ 7. Each upper chamber of the heart is called a(n)
e. vein
a. atrium.
c. valve.
_____ 17. is pressure caused by heartbeats
b. ventricle.
d. cardio.
_____ 18. is caused by a rhythmic change in
_____ 8. Each lower chamber of the heart is called a(n)
blood pressure
a. atrium.
c. valve.
19. What is the narrowest kind of blood vessel?
b. ventricle.
d. cardio.
____________________________________________________________
20. What kind of blood vessels are helped by the contracting of
_____ 9. The right side of the heart pumps oxygen-poor blood to
skeletal muscles?
the
a. body.
b. lungs.
c. right ventricle.
d. left atrium.
____________________________________________________________
21. What kind of blood vessels stretch due to blood pressure?
_____ 22. What enters the blood when it is pumped to the lungs?
a. blood vessels
b. capillaries
c. oxygen
d. carbon dioxide
_____ 23. What leaves the blood when it is pumped to the lungs?
a. blood vessels
b. capillaries
c. oxygen
d. carbon dioxide
_____ 24. Where does the exchange of blood and oxygen take
place in the lungs?
a. ventricles
c. capillaries
b. arteries
d. veins
25. The flow of blood between the heart and the lungs is
Match the correct description with the correct term. Write the letter
in the space provided. Some terms will not be used.
_____ 30. fatty buildup in blood vessels
_____ 31. abnormally high blood pressure
_____ 32. brain damage caused by damage
to blood vessels
a. blood poisoning
b. heart failure
c. heart attack
d. atherosclerosis
e. stroke
f. hypertension
_____ 33. condition caused by the death of
heart muscle cells
34. What can happen when blood supply to the heart is blocked?
_________________________________________________________
_________________________________________________________
Section 2: Blood
______________________ circulation.
1. An adult body has about ______________________ liters of blood.
26. The flow of blood between the heart and the rest of the
2. List the four components of blood.
body is ______________________ circulation.
27. Cardiovascular problems can harm the whole
______________________.
28.
A healthy diet and plenty of ___________________ can
reduce the risk of cardiovascular problems.
29. What is the leading cause of death in the United States?
_________________________________________________________________
_________________________________________________________________
3. The fluid part of blood is called ______________________.
4. What do red blood cells do?
_________________________________________________________________
_________________________________________________________________
5. To what does hemoglobin cling?
_______________________________________________________________
_________________________________________________________________
_______________________________________________________________
6. When bleeding starts, ______________________ form a plug to reduce
blood loss.
7.What two things do white blood cells do?
_______________________________________________________________________
______ 17. To what does a blood type refer?
a. blood pressure levels
_______________________________________________________________________
b. antibodies
c. blood color and consistency
8. Pathogens include bacteria, ______________________, and other
d. chemicals called antigens on red blood cells
microscopic organisms.
______ 18. What kind of antibodies does a person with type A blood have?
a. type A
9. To fight pathogens, white blood cells destroy pathogens or release
b. type B
______________________.
c. type O
d. type A and type B
10. What destroys dead or damaged body cells?
19.How do type B antibodies react to type B antigens?
_______________________________________________________________________
_________________________________________________________________
_______________________________________________________________________
_________________________________________________________________
11. Blood helps to regulate body ______________________.
______ 20. Which blood type is a universal donor?
12. When body temperature rises, blood vessels in the skin
a. A
c. AB
b.
B
d.
O
______________________.
21. What does a transfusion attempt to replace?
______ 13. The force that blood exerts on the walls of the arteries is called
a. systolic pressure.
b. blood pressure.
c. contraction.
d. diastolic pressure.
_________________________________________________________________
_________________________________________________________________
14. When is systolic pressure measured?
_______________________________________________________________________
_______________________________________________________________________
15. When is diastolic pressure measured?
_______________________________________________________________________
_______________________________________________________________________
16. What are two organs that can be damaged by high blood pressure?
_______________________________________________________________________