CHAPTER 10 B , MUSCLES AND SKIN - …classroom.kleinisd.net/users/0592/docs/chapter_10_workbook_pages.pdf · Science Explorer Grade 7 Guided Reading and Study Workbook 113 ... Cells:
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Science Explorer Grade 7 Guided Reading and Study Workbook 113
Name ____________________________________ Date __________ Class ___________________
C H A P T E R 1 0
BONES, MUSCLES, AND SKIN
Organization and Homeostasis(pages 336-343)
This section tells how an animal’s body is organized and describes the four types oftissue in animals. It also describes how the body maintains stable internal conditions.
Levels of Organization (pages 336–337)
1. Is the following sentence true or false? Each part of an organism has aspecific job to do, and all of the different parts work independently of
each other.
2. List the levels of organization in organisms, starting with the smallest.
a. b.
c. d.
Cells: Structure and Function (page 337)
3. The basic unit of structure and function in a living thing is a(n)
.
4. Circle the letter of the outside boundary of an animal cell.
a. cytoplasm b. nucleus c. tissue d. cell membrane
5. The control center that directs the cell’s activities and containsinformation that determines the cell’s characteristics is the
.
6. What is the cytoplasm?
SECTION
10–1
114 Guided Reading and Study Workbook Science Explorer Grade 7
Name ____________________________________ Date __________ Class ___________________
32. What do the reactions of adrenaline prepare the body for?
Long-Term Stress (page 343)
33. Is the following sentence true or false? The alarm stage of stress lasts for
a long time.
34. Is the following sentence true or false? Even if a stressful situation does
not go away, the body can still restore homeostasis.
35. What can happen to your body if you do not deal with stress?
36. Circle the letter of each sentence that is true about dealing with stress.
a. It is important to ignore stressful situations so that they will go away.
b. If you accept that you have a problem and deal with it, then yourstress will decrease.
c. You can avoid stress entirely.
d. Talking to family members and friends about the stressful situationwill help.
A concept map is a useful tool to show the relationships between concepts. This helps makethe concepts easier to understand. Make a concept map to show the levels of organization incomplex organisms. For more information about concept maps, see page 660 in the SkillsHandbook of your textbook. Do your work on a separate sheet of paper.
Reading Skill Practice
118 Guided Reading and Study Workbook Science Explorer Grade 7
Name ____________________________________ Date __________ Class ___________________
22. The bones in movable joints are held together by strong connective
tissues called .
Taking Care of Your Bones (pages 350–351)
23. What can you do to keep your bones healthy?
24. A condition in which the body’s bones become weak and break easily is
called .
The Muscular System(pages 352-356)
This section tells about the three kinds of muscle tissue in the human body, howmuscles work to move the body, and how to care for your muscles.
Muscle Action (page 352)
1. List the two groups of muscles in the body and describe how they arecontrolled.
a.
b.
2. Circle the letter of the action that is controlled by involuntary muscles.
a. smiling b. breathing c. walking d. standing up
SECTION
10–3
Photographs and illustrations help explain the ideas described in the reading. Look at Figure 10on page 348. What idea is this photograph communicating? Do your work on a separate sheetof paper.
Reading Skill Practice
122 Guided Reading and Study Workbook Science Explorer Grade 7
Name ____________________________________ Date __________ Class ___________________
WordWiseUse the clues below to identify key terms from Chapter 10. Write the terms on the line,putting one letter in each blank. When you finish, the word enclosed in the diagonal lineswill reveal the name of the outermost layer of skin.
Clues
1. The basic unit of structure and function in a living thing
2. An opening in the dermis through which perspiration reaches the surface of the skin
3. A place in the body where two bones come together
4. A strong connective tissue that attaches muscle to bone
5. A group of similar cells that perform the same function
6. A soft connective tissue found in the spaces in bone
7. The process by which the body’s internal environment is kept in equilibrium.
8. A connective tissue that makes up the skeleton that is more flexible than bone
9. Muscles attached to the bones of the skeleton are ____ muscles.