Download Directed Reading A

Back
Lesson
Print
Name
Class
Date
Skills Worksheet
Directed Reading A
Section: The Cardiovascular System
1. The heart, blood, arteries, veins, capillaries, and lymphatic system make
up the
.
YOUR CARDIOVASCULAR SYSTEM
2. The heart and three types of blood vessels together make up
the
.
3. The word cardio means
.
4. The word vascular means
.
5. Arteries, veins, and capillaries are
that carry blood
throughout the body.
THE HEART
______ 6. What kind of tissue makes up most of the heart?
a. vascular
c. circulatory
b. cardiac
d. lymphatic
______ 7. Each upper chamber of the heart is called a(n)
a. atrium.
c. valve.
b. ventricle.
d. cardio.
______ 8. Each lower chamber of the heart is called a(n)
a. atrium.
c. valve.
b. ventricle.
d. cardio.
______ 9. The right side of the heart pumps oxygen-poor blood to the
a. body.
c. right ventricle.
b. lungs.
d. left atrium.
______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
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Holt Science and Technology
1
Circulation and Respiration
Back
Lesson
Print
Name
Class
Date
Directed Reading A continued
12. Why do the heart’s valves close?
13. What part of the heart makes the “heartbeat” sound?
BLOOD VESSELS
Match the correct definition with the correct term. Write the letter in the space
provided.
14. carries blood back to the heart
a. artery
15. allows exchanges between blood and body cells
b. blood pressure
16. carries blood away from the heart
c. pulse
17. is pressure caused by heartbeats
d. capillary
18. is caused by a rhythmic change in blood pressure
e. vein
19. What is the narrowest kind of blood vessel?
20. What kind of blood vessels are helped by the contracting of skeletal muscles?
21. What kind of blood vessels stretch due to blood pressure?
TWO TYPES OF CIRCULATION
______22. What is added to blood when it is pumped to the lungs?
a. blood vessels
b. capillaries
c. oxygen
d. carbon dioxide
______23. What is taken from blood when it is pumped to the lungs?
a. blood vessels
b. capillaries
c. oxygen
d. carbon dioxide
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Holt Science and Technology
2
Circulation and Respiration
Back
Lesson
Print
Name
Class
Date
Directed Reading A continued
______24. Where does the exchange of blood and oxygen take place in the lungs?
a. cells
b. arteries
c. capillaries
d. veins
25. The flow of blood between the heart to the lungs is
circulation.
26. The flow of blood between the heart and the rest of the body
is
circulation.
CARDIOVASCULAR PROBLEMS
27. Cardiovascular problems can harm the whole
28. A healthy diet and plenty of
.
can reduce the risk
of cardiovascular problems.
29. What are the leading causes of death in the United States?
Match the correct description with the correct term. Write the letter in the space
provided. Some terms will not be used.
a. blood poisoning
______30. fatty buildup in blood vessels
______31. abnormally high blood pressure
b. heart failure
c. heart attack
______32. brain damage caused by damage to
blood vessels
d. atherosclerosis
______33. condition caused by the death of heart
muscle cells
f. hypertension
e. stroke
34. What can happen when blood supply to the heart is blocked?
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Holt Science and Technology
3
Circulation and Respiration
Back
Lesson
Print PAGE
TEACHER RESOURCE
Answer Key
Directed Reading A
7. destroy pathogens and help clean
wounds
viruses
antibodies
white blood cells
temperature
enlarge
B
when the ventricles contract
when the ventricles relax
heart and kidney
D
B
They react as if the antigens were
pathogens.
20. O
21. lost blood
SECTION: THE CARDIOVASCULAR
SYSTEM
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
circulatory system
cardiovascular system
heart
blood vessel
blood vessels
B
A
B
B
A
C
to prevent blood from flowing
backward
the valves
E
D
A
B
C
a capillary
veins
arteries
C
D
C
pulmonary
systemic
body
exercise
heart diseases
D
F
E
C
heart attack
SECTION: THE LYMPHATIC SYSTEM
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
B
pathogens
lymph capillaries
They are too large.
lymph
into the large neck veins
A
C
A
D
B
A
C
T cells
spleen
fighting infection; removing dead or
damaged cells
17. produces, monitors, stores, and
destroys
18. tonsils
19. infection
SECTION: BLOOD
SECTION: THE RESPIRATORY SYSTEM
1. 5
2. red blood cells, white blood cells,
1.
2.
3.
4.
5.
6.
7.
platelets, plasma
3. plasma
4. carry oxygen and nutrients through
the body
5. oxygen you inhale
6. platelets
energy
E
A
B
F
C
D
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Holt Science and Technology
94
Circulation and Respiration