Diaphragm Action Experiment for Breathing Demonstration
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Questions and Answers

What happens to the volume inside the bell jar when the rubber sheet is pulled downward?

  • It increases (correct)
  • It decreases
  • It oscillates
  • It remains the same

    • Why do the rubber balloons expand when the rubber sheet is pulled downward?

  • Due to decreased temperature inside the bell jar
  • Due to decreased pressure inside the bell jar (correct)
  • Due to the volume remaining the same
  • Due to increased pressure inside the bell jar

    • What do the rubber balloons represent in this experiment?

  • The rubber sheet
  • The bell jar
  • The lungs (correct)
  • The diaphragm

    • What is the purpose of the rubber sheet tied around the bottom edge of the bell jar in the experiment?

    <p>To represent the diaphragm</p> Signup and view all the answers

    Explain what happens to the rubber balloons when the rubber sheet is pulled downward.

    <p>The rubber balloons expand</p> Signup and view all the answers

    What is the function of the rubber balloons in this experiment?

    <p>To represent the two lungs</p> Signup and view all the answers

    When the rubber sheet is pulled downward, volume is ______, pressure inside the bell jar lowered, and the rubber balloons are expanded by the air rushing in.

    <p>increased</p> Signup and view all the answers

    When the rubber sheet is pushed upward, volume is ______, pressure inside the jar increased, and the balloons collapse due to the air rushing out.

    <p>decreased</p> Signup and view all the answers

    The rubber sheet tied around the bottom edge of the bell jar represents the ______.

    <p>diaphragm</p> Signup and view all the answers

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