Which of the following structures is associated with respiration in insects? by Sunday | Jun 23 | Biology WAEC | 0 comments A. Air sac B. Spiracle C. Lung D. Alveolus E. Gill Correct Answer: Option B – Spiracle Users Also Read These:Which of the following pairs are social insects?Which of the following insects transmits swollen…Which of the following structures would carry out…The respiratory structures of insects are?Which of the following is NOT characteristic of…