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MT: Muscular System

I will understand the function of the muscular system. MT: Muscular System. Fxn of Skeletal Muscle:. Movement. Heat Production. Posture. Movement. attached to bone contracts thus producing movement Ex: walking, talking, chewing, blinking. Heat Production.

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MT: Muscular System

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  1. I will understand the function of the muscular system. MT: Muscular System

  2. Fxn of Skeletal Muscle: Movement Heat Production Posture

  3. Movement • attached to bone contracts thus producing movement • Ex: walking, talking, chewing, blinking

  4. Heat Production • Reactions during muscle contraction produce heat • Heat contributes to constant body temperature (homeostasis of temperature)

  5. Why do we shiver when we're cold? • Shivering is a result of muscle contraction. This produces heat thus increasing your body temperature.

  6. Posture • Continuous partial contraction of skeletal muscles • Allows standing, sitting, and maintaining a stable body position while walking, running, and all other movements.

  7. Fxn of Cardiac Muscle: Pump blood

  8. Pumping Blood • Cardiac muscle cells contract to provide all cells with blood • Blood has all of the nutrients that cells need to be healthy

  9. Fxn of Smooth Muscle: transport nutrients & waste

  10. Transport Nutrients/Waste • Smooth muscles line the inside of hollow organs and blood vessels • Ex: swallowing, digesting food in intestines, defecating, erection

  11. Video 1. Incredible Machinehttp://www.youtube.com/watch?v=7Rzi7zYlWno 2. Cartoon http://www.youtube.com/watch?v=RsWNyqnHQ2I

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