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 structures is not involved in…The following are social insects except?JSS 2 First Term Agricultural Science Lesson Note -…Define external respiration AND internal respiration…Which of the following pairs are social insects?