Document 1501552

Lesson 2
The Circulatory System
Predict three facts that will be discussed in Lesson 2 after reading the headings. Record
your predictions in your Science Journal.
Functions of the
Circulatory System
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Summarize the functions of the circulatory system.
.
Circulation
transportation of
,
elimination of
, and
to
Circulatory System
Organs
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and
from
Sequence the journey of blood through the heart.
.
.
oxygenpoor blood
from the
body enters
1.
2.
3.
6. the body
5.
4.
oxygen-rich
blood from
the lungs
enters
Distinguish among types of blood vessels.
Arteries
large vessels, carry
blood toward heart
Classify types of circulation.
Types of Circulation
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.
Type
Delivers
blood to
and from
160
and
Respiration and Circulation
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
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and
Lesson 2 | The Circulatory System (continued)
Circulatory System
Health
Analyze circulatory system disorders.
Disorder
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.
Hypertension
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.
Atherosclerosis
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.
Heart attack
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.
Stroke
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.
Heart failure
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.
What Happens
Identify risk factors for circulatory system diseases.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Risk Factors
Identify five body systems that work together.
The Circulatory System
and Homeostasis
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.
1.
3.
2.
4.
5.
The analogy of cars and roads is often used to describe the circulatory
system. Use what you have learned in Lesson 2 to discuss a “traffic jam” in the circulatory
system.
Respiration and Circulation
161