The Skin Key Concept Builder LESSON 3 Key Concept

Name
Date
Class
Key Concept Builder
LESSON 3
The Skin
Key Concept What does the skin do?
Directions: Put a check mark on the line before each item that is part of the integumentary system.
1. hair
2. teeth
3. fingernails
4. skin
5. eyes
6. toenails
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
7. eyelashes
Directions: Name three things mentioned in the lesson that our skin helps protect against.
8.
9.
10.
Structure and Movement
55
Name
Date
Class
Key Concept Builder
LESSON 3
The Skin
Key Concept What does the skin do?
Directions: On each line, write the term from the word bank that correctly completes each sentence. Some terms
may be used more than once or not at all.
dilation
heat
pain
pores
salts
sensory receptors
sweat
temperature
textures
vitamin D
1. The skin contains many
through which
and other kinds of waste are expelled from the body.
2. The skin also has many
that enable us to detect the
and
experience
of objects and to
.
3. When the skin is exposed to sunlight, it produces
4. The evaporation of
.
releases
5. The
of blood vessels in the skin helps control body
.
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Structure and Movement
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
from the body.
Name
Date
Key Concept Builder
Class
LESSON 3
The Skin
Key Concept How do the three layers of skin differ?
Directions: The diagram below represents a cross section of the skin. Label this diagram by writing the correct
term on each line. Then add two facts about each layer.
1.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
2.
3.
Directions: Circle the term in parentheses that correctly completes each sentence.
4. In the diagram, the dark shading in the top layer of skin represents (fat/melanin).
5. Every hour, the body sheds about (600/600,000) flakes of skin.
6. The skin has approximately (3,000,000/3,000) sweat glands.
Structure and Movement
57
Name
Date
Class
Key Concept Builder
LESSON 3
The Skin
Key Concept How does the skin interact with other body systems?
Directions: On the line before each definition, write the letter of the term that matches it correctly. Terms may be
used more than once.
1. severed blood vessel
A. bruise
2. red discoloration
B. cut
3. blistering
C. first-degree burn
4. scab formation
D. second-degree burn
E. third-degree burn
5. blue or purple discoloration
6. charring
7. severe scarring
8. minor or moderate scarring
9. bleeding under the skin
10. wound requiring stitches
11. During the day, when is sunlight most damaging to the skin?
12. What can you use to keep your skin moist?
13. Which two body systems does the skin work with to react to dangerous stimuli?
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Structure and Movement
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Directions: Answer each question on the lines provided.