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:In the mammalian respiratory system; exchange of…Write the respiratory structure of amoeba, five day…SS1 Animal Husbandry Lesson Note on Respiratory…In which of the following vertebrates does the skin…SS 2 Second Term Agricultural Science Lesson Note -…