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Title: These statements are about changes in the respiratory system. Which is correct? Post by: migas7 on Jan 19, 2018 These statements are about changes in the respiratory system. Which is correct?
a. Respiratory muscles strengthen. b. Lung tissue is more elastic. c. Coughing may be easier to accomplish. d. Respiratory infections and diseases can threaten the person's life. Title: These statements are about changes in the respiratory system. Which is correct? Post by: JenahCall on Jan 19, 2018 D
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