Question: Answer the following question given this paragraph: Asthma is a disease in which the air passages of the lungs periodically become too narrow, often with excessive mucus production. This causes difficulty breathing, coughing, and chest tightness. An asthma attack may be triggered by allergens, strenuous exercise, stress, or other factors. Q: What organ does asthma periodically cause to narrow? Choices: - ovaries - intestines - liver - lungs A:
Answer:
lungs