The respiratory structures of insects are? by Sunday | Apr 26 | Biology NECO | 0 comments A. body surfaces B. gills C. kidneys D. lung E. tracheae Correct Answer: Option E – tracheae Users Also Read These:The respiratory organ found in the cockroach is the?In birds, loss of appetite, respiratory difficulties…List FOUR characteristics of respiratory surfaces. -…The exchange of gases between the environment and…Write the respiratory structure of amoeba, five day…