The respiratory organ found in the cockroach is the? by Sunday | Jun 27 | Biology WAEC | 0 comments A. air sac B. trachea C. lung book D. lung E. gill Correct Answer: Option B – trachea Users Also Read These:Organ level of organization in living things is found in?The exchange of gases between the environment and…SS1 Animal Husbandry Lesson Note on Respiratory…Write the respiratory structure of amoeba, five day…The respiratory structures of insects are?