呼こ吸きゅう器きこきゅうきCommon wordMeanings1nounrespiratory organsanatomyAnatomical term for the organs involved in breathing, such as the lungs and trachea.呼こ吸きゅう器きの病びょう気きにかかりやすい季き節せつです。It's the season when respiratory illnesses are common.