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Science Year 4_Unit 2.1 : Breathing Process

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  • The gas exhaled by humans is used by ( ) to breathe.
    plants
  • Is the trachea the main human respiratory organ?
    No
  • Explain the gas exchange that takes place in the lungs.
    Oxygen enters the lungs while carbon dioxide leaves the lungs.
  • Is the following human body organ system the human respiratory system?
    No
  • Is the following human body organ system the human respiratory system?
    No
  • State the air passage during exhalation.
    Lungs, Trachea, Nose
  • ( ) gas is used by humans to breathe.
    Oxygen
  • State the air passage during inhalation.
    Nose, Trachea, Lungs
  • What organs are involved when humans breathe?
    Nose, Trachea, Lungs
  • Is the following human body organ system the human respiratory system?
    Yes
  • Is the following human body organ system the human respiratory system?
    No
  • Is the following human body organ system the human respiratory system?
    No
  • Is the following human body organ system the human respiratory system?
    No
  • The gas that humans exhale is ( ).
    carbon dioxide
  • Exchange of gases take place in the ( ).
    lungs
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