Respiratory infections account for between 40 and 50 percent of all infections.
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Q1: The purpose of residual air in the
Q3: The most difficult part of breathing for
Q3: There are about 500 million alveoli in
Q6: Quiet breathing at a normal rate is
Q9: An abnormally rapid and shallow rate of
Q10: Chemical control of respiration is dependent on
Q10: The exchange of oxygen and carbon dioxide
Q11: Overinflation of the lungs during inhalation is
Q13: External respiration involves the use of oxygen
Q20: Inflammation of the throat caused by bacteria
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