Biology 20 – Unit D
Person A: Male, age 15, is a non-smoker. He is complaining of wheezing and trouble breathing. He started having episodes in which he had difficulty breathing last summer, but the problem seemed to go away in the winter. Person B: Female, age 35, smokes 10 to 15 cigarettes per day. She has started having trouble exhaling and gets tired very easily. ................
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