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 are the final products of…Define external respiration AND internal respiration…Which of the following pairs are social insects?Which of the following is NOT characteristic of…In which of the following insects is group instinct…