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Magic School Bus- Flexes Its Muscles

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  • Which muscle keeps beating all the time?
    Heart.
  • Where did the Magic School Bus travel in the episode?
    Inside the human body/muscles.
  • What connects muscles to bones?
    Tendons.
  • What did Ms. Frizzle turn the class into during the episode?
    Muscle fibers.
  • What happens to muscles when you exercise regularly?
    They become stronger.
  • What was the main lesson of the episode?
    Muscles help the body move and need exercise and energy to stay healthy.
  • What gives muscles the energy they need to work?
    Food and oxygen.
  • What did Ralphie learn at the end of the episode?
    Practice and exercise help build muscles.
  • What happens when muscles relax?
    They lengthen.
  • Why did Ralphie have trouble climbing the rope?
    His muscles were weak/tired.
  • What did the students learn muscles need to stay strong?
    Exercise.
  • What kind of muscles can you control yourself?
    Skeletal muscles.
  • Why do muscles get tired?
    They use up energy and oxygen.
  • Which body system works with muscles to help us move?
    Skeletal system.
  • What happens when muscles contract?
    They shorten.
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