Transcript Do now 1 muscular system

WARMUP # 1
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Explain how you think your
muscles help you to move.
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• S7L2.e: Explain the purpose of the major
organ systems in the human body (i.e.,
digestion, respiration, reproduction,
circulation, excretion, movement, control,
and coordination, and for protection from
disease).
Muscular System pg. 588
• I. Kinds of Muscles
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A. Three Major Muscles
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1. What are the 3 kinds of muscles
and where are they located?
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2. Distinguish between voluntary and
involuntary muscle movement.
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3. Explain how the muscles in your
arm work.
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4. Describe how skeletal muscles
work.
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5. Describe how muscles work in pairs.
CRITICAL THINKING ACTIVITIES
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I. Identify the problem.
CT 1: How do muscles work?
CT 2: What are bones made of?
II. What materials did you use?
CT 1:Index card, rubber band, straw, tape, muscle diagram CT
2: bone in vinegar, knife and worksheet
III. Make a hypothesis.
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IV. What is the procedure?
CT 1: Tape straw to muscle diagram and add rubber band.
CT 2: Cut bone with a knife and describe what you see.
V. What were the conclusions?