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Lungs and breathing

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  • When you breathe in, what happened with your chest? And why?
    The chest expands, because the lungs are filled with air
  • Where do the lungs get carbon dioxide from?
    Our body uses oxygen and releases carbon dioxide into the blood. The heart pumps deoxygenated blood to the lungs.
  • Does your diaphragm move upwards or downwards when you exhale?
    move upwards to push the air out
  • Which lung is smaller?
    left
  • Describe your lungs during inhalation and exhalation
    When we inhale, our lungs become bigger because they are filled with air. When we exhale, our lungs become smaller because the lungs push the air out. 
  • What is the flow of air so that our bodies can get oxygen?
    nose >> trachea >> alveoli >> blood
  • Where does the gas exchange happen?
    in the alveoli
  • What is the common disease with the respiratory system?
    asthma
  • After you inhale, where does the oxygen go down to get to your lungs?
    Your windpipe
  • What device do people use when they have asthma?
    inhaler
  • What are the names of 2 branches that lead to the left and right lungs?
    2 bronchi
  • What is the function of the diaphragm?
    support the lungs when we breathe
  • Why do we breathe faster after we do exercise?
    because our bodies need more oxygen
  • Where does the oxygen that we breathe get absorbed into the blood?
    Alveoli
  • How many times does an adult breathe in per minute in relax?
    from 15 to 20 times
  • What system do the lungs belong to?
    respiratory
  • What is the name for the windpipe?
    trachea