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:Which of the following peoples can be found in most…Which of the following has the most primitive…The exchange of gases between the environment and…Chronic Respiratory Disease is prevalent in?In the mammalian respiratory system; exchange of…