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Objective: SWBAT explain
how the body moves
WARM UP:
1. Write the definition of the muscular system in your notebook. (Look up the definition in the back of the yellow textbook)
Moving the Body
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Muscular System
• The muscles of the body that, together with the skeletal system, functions to produce movement
• Gives us strength
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Remind me…
• What is the function of the SKELETAL SYSTEM?
• What do we call the place where two or more bones meet?
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Joints
• Immovable (fixed) joints: joint that does not move
Example: joints in between the bones of your skull
• Movable Joints: joints that move Example: finger joints
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Movement• Can your bones move on their own?
Connective Tissues• Tendons: connect MUSCLES to BONES• Ligaments: Connect BONES to BONES
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• Cartilage: Strong and flexible connective tissue that covers the ends of bones at a joint. It also gives shape and support to other parts of the body, like ears, nose and the windpipe.
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Supporting the Support System!
• What is the function of the MUSCULAR SYSTEM?
• What different types of muscles?
• http://www.youtube.com/watch?v=C6u0u_59UDc
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Are All Muscles the Same?
• Three types: Cardiac, Smooth, and Skeletal
Foldable:1. Tear out a piece of notebook paper2. Fold “hamburger” style, cut down the fold3. Cut one paper so that it forms 2 flaps4. Cut the other paper so that it forms 3 flaps
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Foldable
• Tape or glue the flap on your notebook• Label the two flaps
InvoluntaryMuscles
VoluntaryMuscles
Tape
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Muscle Notes!
• Muscles are divided into two main categories
Involuntary: Muscles that can contract without you actively making them
Example: pupils in your eye
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Muscle Notes!
• Voluntary: muscles that contract when you make them do so
Example: skeletal muscles
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Foldable• Tape or glue the other flap on your page or
back of page• Label the three flaps
Cardiac Muscle
SmoothMuscle
Tape
SkeletalMuscle
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Three types of Muscles
• Cardiac Muscle: -found only in the heart-makes the heart beat
• Would this be a voluntary or involuntary muscle????
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Three types of Muscles
• Smooth Muscle: -not banded, it’s smooth-inside many organs like the stomach-mostly involuntary
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Three types of Muscles
• Skeletal Muscle: - “striated” or banded-attaches to bones-moves bones
• Would this be a voluntary or involuntary muscle????
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Add Drawings
• Page B 24 and B 25 in big yellow textbook
• DRAW cardiac, smooth, and skeletal muscle next to the definitions in your foldable