Which of the following structures is not involved in respiration? by Sunday | Nov 24 | Biology WAEC | 0 comments A. Lung books B. Mouth C. Stomach D. Trachea Correct Answer: Option C C. Stomach Users Also Read These:Which of the following pairs of structures in living…Which of the following structures is not present in…Which of the following structures does not function…Which of the following structures is used for…JSS 2 First Term Agricultural Science Lesson Note -…