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:The exchange of gases between the environment and…The movement response of a cockroach away from a…The respiratory structures of insects are?Organ level of organization in living things is found in?In birds, loss of appetite, respiratory difficulties…