What od the main function of the respiratory system ? , to digest food , To supply oxygen and remove carbon dioxide, to pump blood , Where does gas exchange occur? , in the heart, in the alveoli , in the diaphragm, What gas do we breath in ? , carbon dioxide , oxygen, helium , What is the name of the widpipe?, esophagus, bronchus, trachea , What diseuse causes narrow airways?, pneumonia , asthma, diabetes, What is copd ?, chronic obstructive pulmonary disease - a chronic lung disease that makes breathing dificult, a kidney disease , a bone disorde, What organ helps with breathing movement ?, livery, diaphragm, pancreas, What test measures lung function ?, x-ray, ECG, spirometry, What moves from alvedi to blood ? , oxygen, carbon dioxide , mucus , What moves from blood to alveoli ? , oxygen , carbon dioxide, nitrogen .

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