Task: Question Answering
Input (English): Process:  -A person breathes in oxygen -The oxygen passes through the bronchial tubes to the lungs -The oxygen is moved into the bloodstream -Circulates through the body -The cells in the body exchange the oxygen with carbon dioxide -The bloodstream carries the carbon dioxide back to the lungs -The lungs expel the carbon dioxide through the nose and mouth.
 Question: What is the effect of less pollution occurs on if less oxygen passes though the bronchial tubes.?
Output (English): none