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Results 1 - 2 of 2 for Respiratory
  1. Breathing Video 
    ... two lungs are the primary organs of the respiratory system. They sit to the left and right ... called the diaphragm serves other parts of the respiratory system, such as the trachea, or windpipe, and ...
    https://medlineplus.gov/ency/anatomyvideos/000018.htm -
  2. Gas exchange Video 
    ... carbon dioxide diffuse, or move freely, between the respiratory system and the bloodstream. Oxygen molecules attach to ...
    https://medlineplus.gov/ency/anatomyvideos/000059.htm -