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B
Respiratory tract
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C
Kidney
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D
Eyes
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Solution
The correct option is B Respiratory tract
Bronchitis is an inflammation or swelling of the bronchial tubes (bronchi), the air passages between the nose and the lungs. Bronchitis is a condition where the lining of the bronchial tubes becomes inflamed or infected. People with bronchitis have a reduced ability to breathe in air and oxygen into their lungs; they also have heavy mucus or phlegm forming in their airways.