Which of the following structures is associated with respiration in insects? By: Sunday|Published on: Jun 23|Categories: 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 used for…Which of the following pairs are social insects?The following are biting and chewing insects except?The products of respiration are?Define external respiration AND internal respiration…SEE ALSO The mesophyll layer of a leaf consists of?