Nose or mouth breathing?
D000328:Adult; D006801:Humans; D008297:Male; D008875:Middle Aged; D009055:Mouth / Q000502:physiology*; D009666:Nose / Q000502:physiology*; D011932:Reading; D012119:Respiration; D012907:Smoking; D013147:Spirometry; D013997:Time Factors; D014705:Verbal Behavior / Q000502:physiology