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Respiratory System 2

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  • What happens to the diaphragm when we inhale?
    It moves down
  • What is the main function of the respiratory system?
    Breathe in oxygen and remove carbon dioxide
  • Which organ is responsible for taking in air from the environment?
    Nose
  • The respiratory system helps us speak by moving air through the vocal cords.
    True
    False
  • The left lung is larger than the right lung.
    True
    False
  • What are the two main organs of the respiratory system?
    Lungs and thrachea
  • The tiny air sacs in the lungs where gas exchange happens are called:
    alveoli
  • Which part of the respiratory system connects the throat to the lungs?
    Trachea
  • Air travels from the nose to the lungs through the trachea.
    True
    False
  • We breathe out oxygen and breathe in carbon dioxide.
    False
    True
  • What happens when we exhale?
    We release carbon dioxide
  • Why is oxygen important for our cells?
    Oxygen helps cells produce energy.
  • What muscle helps the lungs expand and contract when we breathe?
    Diaphragm
  • Which gas do we need to survive?
    Oxygen
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