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Notes: Muscle Types & Function

Notes: Muscle Types & Function. (1) Types of Muscle. Skeletal Cardiac Smooth. Cardiac Muscle. Skeletal Muscle. Smooth Muscle. (2) Skeletal Muscle. Physical Characteristics: Long cells Whole muscle has striations Type of Movement: Voluntary Allows overall body mobility

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Notes: Muscle Types & Function

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  1. Notes: Muscle Types & Function

  2. (1) Types of Muscle • Skeletal • Cardiac • Smooth

  3. Cardiac Muscle Skeletal Muscle Smooth Muscle

  4. (2) Skeletal Muscle • Physical Characteristics: • Long cells • Whole muscle has striations • Type of Movement: • Voluntary • Allows overall body mobility • Contracts fast w/great force, tires fast also • Location: • On top of bones & connecting them

  5. (3) Cardiac Muscle • Physical Characteristics: • Branched cells • Whole muscle has striations • Types of Movement: • Involuntary • Steady, consistent movement • Heartbeat (rate gauged by nervous system) • Location: • heart

  6. (4) Smooth Muscle • Physical Characteristics: • Long cells • Whole muscle NOT striated • Type of Movement: • Involuntary • Slower, yet consistent movement • Forces fluids & solids through channels • Location: • Digestive & excretive organs • Respiratory passageways

  7. (5) Muscle Function • Produce movement • Bones = attachment points • Internal organs (move nutrients, waste, etc.) • Maintain posture • Unique to Bipedalism • Stabilize joints • Allows for wider range of movement and use of force • Generate heat • During contraction

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