structures associated with a skeletal muscle upload 8.03 “skeletal muscle diagrams” to ebackpack

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STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

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What is the function of skeletal muscle? (Choose the correct answers) Voluntary movement Stability -(posture) Communication -(facial expression, speech) Control of body openings Heat production - 85% of body heat is generated by muscles providing the proper environment for enzymes and therefore metabolism

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Page 1: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE

Upload 8.03 “Skeletal Muscle

Diagrams”to eBackpack

Page 2: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

Introductory QuestionsWhere is skeletal muscle found in your body?A. Attached to boneB. Lining hollow organsC.The heart

A. Attached to bone

Page 3: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

What is the function of skeletal muscle?(Choose the correct answers)Voluntary movementStability

-(posture)Communication

-(facial expression, speech)Control of body openingsHeat production

- 85% of body heat is generated by muscles providing the proper environment for enzymes and therefore metabolism

Page 4: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

Word Parts/Meanings

FasciEpiPeriEndoMysSarcoLemma

around

band or bundle

Flesh

husk

Inner

muscle

upon

Page 5: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack
Page 6: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

Structures of a skeletal muscle fiber

Page 7: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

A Sarcomere

Page 8: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

Twizzler analogy

Many packages of Twizzlers = Fascicle

Page 9: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

Twizzler analogy 2 1 package of

Twizzlers =

Muscle fiber

The packaging =

Sarcolemma

Page 10: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

Twizzler analogy 3

1 bundle of twizzlers =

myofibril

Page 11: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

Twizzler analogy 4

1 Twizzler strand =

Filament

Page 12: STRUCTURES ASSOCIATED WITH A SKELETAL MUSCLE Upload 8.03 “Skeletal Muscle Diagrams” to eBackpack

Compare the Muscle Fiber to Pull and Peel Twizzlers

How amazing is that?